Home / 129,331,594.56-178,450,957.92-74,316,822.24

Finding the Fourth Proportional to 129,331,594.56, 178,450,957.92 and 74,316,822.24

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Solution

The fourth proportional to 129,331,594.56, 178,450,957.92 and 74,316,822.24 is: 102,541,905.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,331,594.56 : 178,450,957.92 = 74,316,822.24 : x
  2. Step 2: Convert to fraction form
    129,331,594.56/178,450,957.92 = 74,316,822.24/x
  3. Step 3: Cross multiply
    129,331,594.56x = 178,450,957.92 × 74,316,822.24
  4. Step 4: Simplify right side
    129,331,594.56x = 13,261,908,118,298,358
  5. Step 5: Solve for x
    x = 13,261,908,118,298,358/129,331,594.56
  6. Step 6: Final answer
    x = 102,541,905.27

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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.