Home / 125,018,585.30-187,534,963.83-38,769,253.94

Finding the Fourth Proportional to 125,018,585.30, 187,534,963.83 and 38,769,253.94

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Solution

The fourth proportional to 125,018,585.30, 187,534,963.83 and 38,769,253.94 is: 58,156,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,018,585.30 : 187,534,963.83 = 38,769,253.94 : x
  2. Step 2: Convert to fraction form
    125,018,585.30/187,534,963.83 = 38,769,253.94/x
  3. Step 3: Cross multiply
    125,018,585.30x = 187,534,963.83 × 38,769,253.94
  4. Step 4: Simplify right side
    125,018,585.30x = 7,270,590,635,353,985
  5. Step 5: Solve for x
    x = 7,270,590,635,353,985/125,018,585.30
  6. Step 6: Final answer
    x = 58,156,078.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.