Home / 90,933,372.17-125,488,103.85-49,117,437.22

Finding the Fourth Proportional to 90,933,372.17, 125,488,103.85 and 49,117,437.22

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Solution

The fourth proportional to 90,933,372.17, 125,488,103.85 and 49,117,437.22 is: 67,782,090.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,933,372.17 : 125,488,103.85 = 49,117,437.22 : x
  2. Step 2: Convert to fraction form
    90,933,372.17/125,488,103.85 = 49,117,437.22/x
  3. Step 3: Cross multiply
    90,933,372.17x = 125,488,103.85 × 49,117,437.22
  4. Step 4: Simplify right side
    90,933,372.17x = 6,163,654,062,492,765
  5. Step 5: Solve for x
    x = 6,163,654,062,492,765/90,933,372.17
  6. Step 6: Final answer
    x = 67,782,090.50

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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.