Home / 82,755,207.70-124,132,811.55-69,841,191.40

Finding the Fourth Proportional to 82,755,207.70, 124,132,811.55 and 69,841,191.40

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Solution

The fourth proportional to 82,755,207.70, 124,132,811.55 and 69,841,191.40 is: 104,761,787.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,755,207.70 : 124,132,811.55 = 69,841,191.40 : x
  2. Step 2: Convert to fraction form
    82,755,207.70/124,132,811.55 = 69,841,191.40/x
  3. Step 3: Cross multiply
    82,755,207.70x = 124,132,811.55 × 69,841,191.40
  4. Step 4: Simplify right side
    82,755,207.70x = 8,669,583,450,483,681
  5. Step 5: Solve for x
    x = 8,669,583,450,483,681/82,755,207.70
  6. Step 6: Final answer
    x = 104,761,787.10

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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.