Home / 187,645,905.47-281,223,723.74-104,644,345.66

Finding the Fourth Proportional to 187,645,905.47, 281,223,723.74 and 104,644,345.66

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Solution

The fourth proportional to 187,645,905.47, 281,223,723.74 and 104,644,345.66 is: 156,829,814.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,645,905.47 : 281,223,723.74 = 104,644,345.66 : x
  2. Step 2: Convert to fraction form
    187,645,905.47/281,223,723.74 = 104,644,345.66/x
  3. Step 3: Cross multiply
    187,645,905.47x = 281,223,723.74 × 104,644,345.66
  4. Step 4: Simplify right side
    187,645,905.47x = 29,428,472,553,696,400
  5. Step 5: Solve for x
    x = 29,428,472,553,696,400/187,645,905.47
  6. Step 6: Final answer
    x = 156,829,814.54

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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.