Home / 90,844,950.60-136,267,425.90-66,451,808.70

Finding the Fourth Proportional to 90,844,950.60, 136,267,425.90 and 66,451,808.70

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Solution

The fourth proportional to 90,844,950.60, 136,267,425.90 and 66,451,808.70 is: 99,677,713.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,844,950.60 : 136,267,425.90 = 66,451,808.70 : x
  2. Step 2: Convert to fraction form
    90,844,950.60/136,267,425.90 = 66,451,808.70/x
  3. Step 3: Cross multiply
    90,844,950.60x = 136,267,425.90 × 66,451,808.70
  4. Step 4: Simplify right side
    90,844,950.60x = 9,055,216,917,948,226
  5. Step 5: Solve for x
    x = 9,055,216,917,948,226/90,844,950.60
  6. Step 6: Final answer
    x = 99,677,713.05

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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.