Home / 97,785,387,799.60-146,678,081,699.40-80,119,013,501.20

Finding the Fourth Proportional to 97,785,387,799.60, 146,678,081,699.40 and 80,119,013,501.20

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Solution

The fourth proportional to 97,785,387,799.60, 146,678,081,699.40 and 80,119,013,501.20 is: 120,178,520,251.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,785,387,799.60 : 146,678,081,699.40 = 80,119,013,501.20 : x
  2. Step 2: Convert to fraction form
    97,785,387,799.60/146,678,081,699.40 = 80,119,013,501.20/x
  3. Step 3: Cross multiply
    97,785,387,799.60x = 146,678,081,699.40 × 80,119,013,501.20
  4. Step 4: Simplify right side
    97,785,387,799.60x = 11,751,703,208,004,344,086,528
  5. Step 5: Solve for x
    x = 11,751,703,208,004,344,086,528/97,785,387,799.60
  6. Step 6: Final answer
    x = 120,178,520,251.80

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.