Home / 112,293,344.70-168,440,017.05-54,755,999.10

Finding the Fourth Proportional to 112,293,344.70, 168,440,017.05 and 54,755,999.10

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Solution

The fourth proportional to 112,293,344.70, 168,440,017.05 and 54,755,999.10 is: 82,133,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,293,344.70 : 168,440,017.05 = 54,755,999.10 : x
  2. Step 2: Convert to fraction form
    112,293,344.70/168,440,017.05 = 54,755,999.10/x
  3. Step 3: Cross multiply
    112,293,344.70x = 168,440,017.05 × 54,755,999.10
  4. Step 4: Simplify right side
    112,293,344.70x = 9,223,101,421,993,786
  5. Step 5: Solve for x
    x = 9,223,101,421,993,786/112,293,344.70
  6. Step 6: Final answer
    x = 82,133,998.65

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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.