Home / 187,645,906.60-281,223,725.42-104,644,346.78

Finding the Fourth Proportional to 187,645,906.60, 281,223,725.42 and 104,644,346.78

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Solution

The fourth proportional to 187,645,906.60, 281,223,725.42 and 104,644,346.78 is: 156,829,816.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,645,906.60 : 281,223,725.42 = 104,644,346.78 : x
  2. Step 2: Convert to fraction form
    187,645,906.60/281,223,725.42 = 104,644,346.78/x
  3. Step 3: Cross multiply
    187,645,906.60x = 281,223,725.42 × 104,644,346.78
  4. Step 4: Simplify right side
    187,645,906.60x = 29,428,473,045,613,984
  5. Step 5: Solve for x
    x = 29,428,473,045,613,984/187,645,906.60
  6. Step 6: Final answer
    x = 156,829,816.22

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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.