Home / 287,236,691.46-430,915,566.06-93,132,970.43

Finding the Fourth Proportional to 287,236,691.46, 430,915,566.06 and 93,132,970.43

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Solution

The fourth proportional to 287,236,691.46, 430,915,566.06 and 93,132,970.43 is: 139,719,081.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,236,691.46 : 430,915,566.06 = 93,132,970.43 : x
  2. Step 2: Convert to fraction form
    287,236,691.46/430,915,566.06 = 93,132,970.43/x
  3. Step 3: Cross multiply
    287,236,691.46x = 430,915,566.06 × 93,132,970.43
  4. Step 4: Simplify right side
    287,236,691.46x = 40,132,446,669,538,112
  5. Step 5: Solve for x
    x = 40,132,446,669,538,112/287,236,691.46
  6. Step 6: Final answer
    x = 139,719,081.38

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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.