Home / 90,844,951.60-136,267,427.40-66,451,809.70

Finding the Fourth Proportional to 90,844,951.60, 136,267,427.40 and 66,451,809.70

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Solution

The fourth proportional to 90,844,951.60, 136,267,427.40 and 66,451,809.70 is: 99,677,714.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,844,951.60 : 136,267,427.40 = 66,451,809.70 : x
  2. Step 2: Convert to fraction form
    90,844,951.60/136,267,427.40 = 66,451,809.70/x
  3. Step 3: Cross multiply
    90,844,951.60x = 136,267,427.40 × 66,451,809.70
  4. Step 4: Simplify right side
    90,844,951.60x = 9,055,217,153,893,366
  5. Step 5: Solve for x
    x = 9,055,217,153,893,366/90,844,951.60
  6. Step 6: Final answer
    x = 99,677,714.55

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1.5x scale

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.