Home / 187,528,463.64-258,724,515.42-117,919,141.56

Finding the Fourth Proportional to 187,528,463.64, 258,724,515.42 and 117,919,141.56

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Solution

The fourth proportional to 187,528,463.64, 258,724,515.42 and 117,919,141.56 is: 162,687,691.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,528,463.64 : 258,724,515.42 = 117,919,141.56 : x
  2. Step 2: Convert to fraction form
    187,528,463.64/258,724,515.42 = 117,919,141.56/x
  3. Step 3: Cross multiply
    187,528,463.64x = 258,724,515.42 × 117,919,141.56
  4. Step 4: Simplify right side
    187,528,463.64x = 30,508,572,758,853,380
  5. Step 5: Solve for x
    x = 30,508,572,758,853,380/187,528,463.64
  6. Step 6: Final answer
    x = 162,687,691.07

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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.