Home / 287,236,476.42-430,915,244.31-93,132,755.93

Finding the Fourth Proportional to 287,236,476.42, 430,915,244.31 and 93,132,755.93

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Solution

The fourth proportional to 287,236,476.42, 430,915,244.31 and 93,132,755.93 is: 139,718,759.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,236,476.42 : 430,915,244.31 = 93,132,755.93 : x
  2. Step 2: Convert to fraction form
    287,236,476.42/430,915,244.31 = 93,132,755.93/x
  3. Step 3: Cross multiply
    287,236,476.42x = 430,915,244.31 × 93,132,755.93
  4. Step 4: Simplify right side
    287,236,476.42x = 40,132,324,272,684,976
  5. Step 5: Solve for x
    x = 40,132,324,272,684,976/287,236,476.42
  6. Step 6: Final answer
    x = 139,718,759.86

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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.