Home / 82,755,002.70-124,132,504.05-69,840,986.40

Finding the Fourth Proportional to 82,755,002.70, 124,132,504.05 and 69,840,986.40

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Solution

The fourth proportional to 82,755,002.70, 124,132,504.05 and 69,840,986.40 is: 104,761,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,755,002.70 : 124,132,504.05 = 69,840,986.40 : x
  2. Step 2: Convert to fraction form
    82,755,002.70/124,132,504.05 = 69,840,986.40/x
  3. Step 3: Cross multiply
    82,755,002.70x = 124,132,504.05 × 69,840,986.40
  4. Step 4: Simplify right side
    82,755,002.70x = 8,669,536,527,153,995
  5. Step 5: Solve for x
    x = 8,669,536,527,153,995/82,755,002.70
  6. Step 6: Final answer
    x = 104,761,479.60

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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.