Home / 129,452,116.60-194,047,538.10-64,656,263.80

Finding the Fourth Proportional to 129,452,116.60, 194,047,538.10 and 64,656,263.80

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Solution

The fourth proportional to 129,452,116.60, 194,047,538.10 and 64,656,263.80 is: 96,919,147.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,452,116.60 : 194,047,538.10 = 64,656,263.80 : x
  2. Step 2: Convert to fraction form
    129,452,116.60/194,047,538.10 = 64,656,263.80/x
  3. Step 3: Cross multiply
    129,452,116.60x = 194,047,538.10 × 64,656,263.80
  4. Step 4: Simplify right side
    129,452,116.60x = 12,546,388,813,134,150
  5. Step 5: Solve for x
    x = 12,546,388,813,134,150/129,452,116.60
  6. Step 6: Final answer
    x = 96,919,147.73

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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.