Home / 187,778,456.79-281,468,889.51-63,162,455.15

Finding the Fourth Proportional to 187,778,456.79, 281,468,889.51 and 63,162,455.15

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Solution

The fourth proportional to 187,778,456.79, 281,468,889.51 and 63,162,455.15 is: 94,676,814.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,778,456.79 : 281,468,889.51 = 63,162,455.15 : x
  2. Step 2: Convert to fraction form
    187,778,456.79/281,468,889.51 = 63,162,455.15/x
  3. Step 3: Cross multiply
    187,778,456.79x = 281,468,889.51 × 63,162,455.15
  4. Step 4: Simplify right side
    187,778,456.79x = 17,778,266,108,072,524
  5. Step 5: Solve for x
    x = 17,778,266,108,072,524/187,778,456.79
  6. Step 6: Final answer
    x = 94,676,814.43

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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.