Home / 82,721,143.80-124,081,715.70-22,136,869.80

Finding the Fourth Proportional to 82,721,143.80, 124,081,715.70 and 22,136,869.80

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Solution

The fourth proportional to 82,721,143.80, 124,081,715.70 and 22,136,869.80 is: 33,205,304.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,721,143.80 : 124,081,715.70 = 22,136,869.80 : x
  2. Step 2: Convert to fraction form
    82,721,143.80/124,081,715.70 = 22,136,869.80/x
  3. Step 3: Cross multiply
    82,721,143.80x = 124,081,715.70 × 22,136,869.80
  4. Step 4: Simplify right side
    82,721,143.80x = 2,746,780,785,011,516
  5. Step 5: Solve for x
    x = 2,746,780,785,011,516/82,721,143.80
  6. Step 6: Final answer
    x = 33,205,304.70

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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.