Home / 90,846,215.60-136,269,323.40-66,453,073.70

Finding the Fourth Proportional to 90,846,215.60, 136,269,323.40 and 66,453,073.70

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Solution

The fourth proportional to 90,846,215.60, 136,269,323.40 and 66,453,073.70 is: 99,679,610.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,846,215.60 : 136,269,323.40 = 66,453,073.70 : x
  2. Step 2: Convert to fraction form
    90,846,215.60/136,269,323.40 = 66,453,073.70/x
  3. Step 3: Cross multiply
    90,846,215.60x = 136,269,323.40 × 66,453,073.70
  4. Step 4: Simplify right side
    90,846,215.60x = 9,055,515,390,949,336
  5. Step 5: Solve for x
    x = 9,055,515,390,949,336/90,846,215.60
  6. Step 6: Final answer
    x = 99,679,610.55

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Similar ratio
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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.