Home / 82,755,210.70-124,132,816.05-69,841,194.40

Finding the Fourth Proportional to 82,755,210.70, 124,132,816.05 and 69,841,194.40

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Solution

The fourth proportional to 82,755,210.70, 124,132,816.05 and 69,841,194.40 is: 104,761,791.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,755,210.70 : 124,132,816.05 = 69,841,194.40 : x
  2. Step 2: Convert to fraction form
    82,755,210.70/124,132,816.05 = 69,841,194.40/x
  3. Step 3: Cross multiply
    82,755,210.70x = 124,132,816.05 × 69,841,194.40
  4. Step 4: Simplify right side
    82,755,210.70x = 8,669,584,137,167,491
  5. Step 5: Solve for x
    x = 8,669,584,137,167,491/82,755,210.70
  6. Step 6: Final answer
    x = 104,761,791.60

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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.