Home / 187,339,867.92-258,532,078.47-102,565,572.50

Finding the Fourth Proportional to 187,339,867.92, 258,532,078.47 and 102,565,572.50

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Solution

The fourth proportional to 187,339,867.92, 258,532,078.47 and 102,565,572.50 is: 141,542,165.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,339,867.92 : 258,532,078.47 = 102,565,572.50 : x
  2. Step 2: Convert to fraction form
    187,339,867.92/258,532,078.47 = 102,565,572.50/x
  3. Step 3: Cross multiply
    187,339,867.92x = 258,532,078.47 × 102,565,572.50
  4. Step 4: Simplify right side
    187,339,867.92x = 26,516,490,637,890,472
  5. Step 5: Solve for x
    x = 26,516,490,637,890,472/187,339,867.92
  6. Step 6: Final answer
    x = 141,542,165.76

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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.