Home / 90,933,385.02-125,488,121.70-49,117,450.14

Finding the Fourth Proportional to 90,933,385.02, 125,488,121.70 and 49,117,450.14

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Solution

The fourth proportional to 90,933,385.02, 125,488,121.70 and 49,117,450.14 is: 67,782,108.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,933,385.02 : 125,488,121.70 = 49,117,450.14 : x
  2. Step 2: Convert to fraction form
    90,933,385.02/125,488,121.70 = 49,117,450.14/x
  3. Step 3: Cross multiply
    90,933,385.02x = 125,488,121.70 × 49,117,450.14
  4. Step 4: Simplify right side
    90,933,385.02x = 6,163,656,560,762,002
  5. Step 5: Solve for x
    x = 6,163,656,560,762,002/90,933,385.02
  6. Step 6: Final answer
    x = 67,782,108.40

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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.