Home / 126,731,391.69-175,209,160.05-93,639,447.57

Finding the Fourth Proportional to 126,731,391.69, 175,209,160.05 and 93,639,447.57

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Solution

The fourth proportional to 126,731,391.69, 175,209,160.05 and 93,639,447.57 is: 129,458,761.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,731,391.69 : 175,209,160.05 = 93,639,447.57 : x
  2. Step 2: Convert to fraction form
    126,731,391.69/175,209,160.05 = 93,639,447.57/x
  3. Step 3: Cross multiply
    126,731,391.69x = 175,209,160.05 × 93,639,447.57
  4. Step 4: Simplify right side
    126,731,391.69x = 16,406,488,956,285,714
  5. Step 5: Solve for x
    x = 16,406,488,956,285,714/126,731,391.69
  6. Step 6: Final answer
    x = 129,458,761.07

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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.