Home / 74,727,000.70-112,090,501.05-54,319,666.30

Finding the Fourth Proportional to 74,727,000.70, 112,090,501.05 and 54,319,666.30

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Solution

The fourth proportional to 74,727,000.70, 112,090,501.05 and 54,319,666.30 is: 81,479,499.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,727,000.70 : 112,090,501.05 = 54,319,666.30 : x
  2. Step 2: Convert to fraction form
    74,727,000.70/112,090,501.05 = 54,319,666.30/x
  3. Step 3: Cross multiply
    74,727,000.70x = 112,090,501.05 × 54,319,666.30
  4. Step 4: Simplify right side
    74,727,000.70x = 6,088,718,612,435,799
  5. Step 5: Solve for x
    x = 6,088,718,612,435,799/74,727,000.70
  6. Step 6: Final answer
    x = 81,479,499.45

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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.