Home / 100,897,572.38-139,238,648.48-54,487,824.93

Finding the Fourth Proportional to 100,897,572.38, 139,238,648.48 and 54,487,824.93

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Solution

The fourth proportional to 100,897,572.38, 139,238,648.48 and 54,487,824.93 is: 75,193,197.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,897,572.38 : 139,238,648.48 = 54,487,824.93 : x
  2. Step 2: Convert to fraction form
    100,897,572.38/139,238,648.48 = 54,487,824.93/x
  3. Step 3: Cross multiply
    100,897,572.38x = 139,238,648.48 × 54,487,824.93
  4. Step 4: Simplify right side
    100,897,572.38x = 7,586,811,102,004,269
  5. Step 5: Solve for x
    x = 7,586,811,102,004,269/100,897,572.38
  6. Step 6: Final answer
    x = 75,193,197.65

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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.