Home / 129,452,130.60-194,047,559.10-64,656,277.80

Finding the Fourth Proportional to 129,452,130.60, 194,047,559.10 and 64,656,277.80

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Solution

The fourth proportional to 129,452,130.60, 194,047,559.10 and 64,656,277.80 is: 96,919,168.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,452,130.60 : 194,047,559.10 = 64,656,277.80 : x
  2. Step 2: Convert to fraction form
    129,452,130.60/194,047,559.10 = 64,656,277.80/x
  3. Step 3: Cross multiply
    129,452,130.60x = 194,047,559.10 × 64,656,277.80
  4. Step 4: Simplify right side
    129,452,130.60x = 12,546,392,887,581,518
  5. Step 5: Solve for x
    x = 12,546,392,887,581,518/129,452,130.60
  6. Step 6: Final answer
    x = 96,919,168.73

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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.