Home / 138,895,545.17-191,684,468.32-77,015,883.73

Finding the Fourth Proportional to 138,895,545.17, 191,684,468.32 and 77,015,883.73

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Solution

The fourth proportional to 138,895,545.17, 191,684,468.32 and 77,015,883.73 is: 106,286,697.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,895,545.17 : 191,684,468.32 = 77,015,883.73 : x
  2. Step 2: Convert to fraction form
    138,895,545.17/191,684,468.32 = 77,015,883.73/x
  3. Step 3: Cross multiply
    138,895,545.17x = 191,684,468.32 × 77,015,883.73
  4. Step 4: Simplify right side
    138,895,545.17x = 14,762,748,724,667,646
  5. Step 5: Solve for x
    x = 14,762,748,724,667,646/138,895,545.17
  6. Step 6: Final answer
    x = 106,286,697.01

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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.