Home / 187,645,905.10-281,223,723.18-104,644,345.28

Finding the Fourth Proportional to 187,645,905.10, 281,223,723.18 and 104,644,345.28

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Solution

The fourth proportional to 187,645,905.10, 281,223,723.18 and 104,644,345.28 is: 156,829,813.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,645,905.10 : 281,223,723.18 = 104,644,345.28 : x
  2. Step 2: Convert to fraction form
    187,645,905.10/281,223,723.18 = 104,644,345.28/x
  3. Step 3: Cross multiply
    187,645,905.10x = 281,223,723.18 × 104,644,345.28
  4. Step 4: Simplify right side
    187,645,905.10x = 29,428,472,389,375,060
  5. Step 5: Solve for x
    x = 29,428,472,389,375,060/187,645,905.10
  6. Step 6: Final answer
    x = 156,829,813.98

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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.