Home / 187,340,078.75-258,532,369.38-102,565,783.17

Finding the Fourth Proportional to 187,340,078.75, 258,532,369.38 and 102,565,783.17

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Solution

The fourth proportional to 187,340,078.75, 258,532,369.38 and 102,565,783.17 is: 141,542,456.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,340,078.75 : 258,532,369.38 = 102,565,783.17 : x
  2. Step 2: Convert to fraction form
    187,340,078.75/258,532,369.38 = 102,565,783.17/x
  3. Step 3: Cross multiply
    187,340,078.75x = 258,532,369.38 × 102,565,783.17
  4. Step 4: Simplify right side
    187,340,078.75x = 26,516,574,940,255,428
  5. Step 5: Solve for x
    x = 26,516,574,940,255,428/187,340,078.75
  6. Step 6: Final answer
    x = 141,542,456.47

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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.