Home / 100,897,280.43-139,238,246.19-54,487,530.27

Finding the Fourth Proportional to 100,897,280.43, 139,238,246.19 and 54,487,530.27

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Solution

The fourth proportional to 100,897,280.43, 139,238,246.19 and 54,487,530.27 is: 75,192,791.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,897,280.43 : 139,238,246.19 = 54,487,530.27 : x
  2. Step 2: Convert to fraction form
    100,897,280.43/139,238,246.19 = 54,487,530.27/x
  3. Step 3: Cross multiply
    100,897,280.43x = 139,238,246.19 × 54,487,530.27
  4. Step 4: Simplify right side
    100,897,280.43x = 7,586,748,154,019,337
  5. Step 5: Solve for x
    x = 7,586,748,154,019,337/100,897,280.43
  6. Step 6: Final answer
    x = 75,192,791.34

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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.