Home / 100,897,614.90-139,238,707.32-54,487,864.76

Finding the Fourth Proportional to 100,897,614.90, 139,238,707.32 and 54,487,864.76

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Solution

The fourth proportional to 100,897,614.90, 139,238,707.32 and 54,487,864.76 is: 75,193,252.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,897,614.90 : 139,238,707.32 = 54,487,864.76 : x
  2. Step 2: Convert to fraction form
    100,897,614.90/139,238,707.32 = 54,487,864.76/x
  3. Step 3: Cross multiply
    100,897,614.90x = 139,238,707.32 × 54,487,864.76
  4. Step 4: Simplify right side
    100,897,614.90x = 7,586,819,853,113,188
  5. Step 5: Solve for x
    x = 7,586,819,853,113,188/100,897,614.90
  6. Step 6: Final answer
    x = 75,193,252.69

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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.