Home / 90,267,744.66-124,573,059.36-50,575,617.78

Finding the Fourth Proportional to 90,267,744.66, 124,573,059.36 and 50,575,617.78

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Solution

The fourth proportional to 90,267,744.66, 124,573,059.36 and 50,575,617.78 is: 69,796,353.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,267,744.66 : 124,573,059.36 = 50,575,617.78 : x
  2. Step 2: Convert to fraction form
    90,267,744.66/124,573,059.36 = 50,575,617.78/x
  3. Step 3: Cross multiply
    90,267,744.66x = 124,573,059.36 × 50,575,617.78
  4. Step 4: Simplify right side
    90,267,744.66x = 6,300,359,435,876,612
  5. Step 5: Solve for x
    x = 6,300,359,435,876,612/90,267,744.66
  6. Step 6: Final answer
    x = 69,796,353.72

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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.