Home / 90,923,061.20-136,438,398.16-33,455,687.52

Finding the Fourth Proportional to 90,923,061.20, 136,438,398.16 and 33,455,687.52

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Solution

The fourth proportional to 90,923,061.20, 136,438,398.16 and 33,455,687.52 is: 50,203,329.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,923,061.20 : 136,438,398.16 = 33,455,687.52 : x
  2. Step 2: Convert to fraction form
    90,923,061.20/136,438,398.16 = 33,455,687.52/x
  3. Step 3: Cross multiply
    90,923,061.20x = 136,438,398.16 × 33,455,687.52
  4. Step 4: Simplify right side
    90,923,061.20x = 4,564,640,414,570,303
  5. Step 5: Solve for x
    x = 4,564,640,414,570,303/90,923,061.20
  6. Step 6: Final answer
    x = 50,203,329.65

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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.