Home / 129,141,053.60-193,712,280.24-38,265,429.92

Finding the Fourth Proportional to 129,141,053.60, 193,712,280.24 and 38,265,429.92

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Solution

The fourth proportional to 129,141,053.60, 193,712,280.24 and 38,265,429.92 is: 57,398,352.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,141,053.60 : 193,712,280.24 = 38,265,429.92 : x
  2. Step 2: Convert to fraction form
    129,141,053.60/193,712,280.24 = 38,265,429.92/x
  3. Step 3: Cross multiply
    129,141,053.60x = 193,712,280.24 × 38,265,429.92
  4. Step 4: Simplify right side
    129,141,053.60x = 7,412,483,684,167,121
  5. Step 5: Solve for x
    x = 7,412,483,684,167,121/129,141,053.60
  6. Step 6: Final answer
    x = 57,398,352.25

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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.