Home / 102,542,753.52-141,508,989.36-56,133,038.88

Finding the Fourth Proportional to 102,542,753.52, 141,508,989.36 and 56,133,038.88

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Solution

The fourth proportional to 102,542,753.52, 141,508,989.36 and 56,133,038.88 is: 77,463,587.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,542,753.52 : 141,508,989.36 = 56,133,038.88 : x
  2. Step 2: Convert to fraction form
    102,542,753.52/141,508,989.36 = 56,133,038.88/x
  3. Step 3: Cross multiply
    102,542,753.52x = 141,508,989.36 × 56,133,038.88
  4. Step 4: Simplify right side
    102,542,753.52x = 7,943,329,601,614,387
  5. Step 5: Solve for x
    x = 7,943,329,601,614,387/102,542,753.52
  6. Step 6: Final answer
    x = 77,463,587.91

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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.