Home / 90,933,353.09-125,488,077.65-49,117,418.20

Finding the Fourth Proportional to 90,933,353.09, 125,488,077.65 and 49,117,418.20

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Solution

The fourth proportional to 90,933,353.09, 125,488,077.65 and 49,117,418.20 is: 67,782,064.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,933,353.09 : 125,488,077.65 = 49,117,418.20 : x
  2. Step 2: Convert to fraction form
    90,933,353.09/125,488,077.65 = 49,117,418.20/x
  3. Step 3: Cross multiply
    90,933,353.09x = 125,488,077.65 × 49,117,418.20
  4. Step 4: Simplify right side
    90,933,353.09x = 6,163,650,389,635,479
  5. Step 5: Solve for x
    x = 6,163,650,389,635,479/90,933,353.09
  6. Step 6: Final answer
    x = 67,782,064.34

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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.