Home / 53,167,855.10-73,371,705.78-28,721,569.10

Finding the Fourth Proportional to 53,167,855.10, 73,371,705.78 and 28,721,569.10

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Solution

The fourth proportional to 53,167,855.10, 73,371,705.78 and 28,721,569.10 is: 39,635,800.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,167,855.10 : 73,371,705.78 = 28,721,569.10 : x
  2. Step 2: Convert to fraction form
    53,167,855.10/73,371,705.78 = 28,721,569.10/x
  3. Step 3: Cross multiply
    53,167,855.10x = 73,371,705.78 × 28,721,569.10
  4. Step 4: Simplify right side
    53,167,855.10x = 2,107,350,517,545,139.50
  5. Step 5: Solve for x
    x = 2,107,350,517,545,139.50/53,167,855.10
  6. Step 6: Final answer
    x = 39,635,800.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.