Home / 71,364,613.20-107,046,919.80-67,679,955.60

Finding the Fourth Proportional to 71,364,613.20, 107,046,919.80 and 67,679,955.60

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Solution

The fourth proportional to 71,364,613.20, 107,046,919.80 and 67,679,955.60 is: 101,519,933.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,364,613.20 : 107,046,919.80 = 67,679,955.60 : x
  2. Step 2: Convert to fraction form
    71,364,613.20/107,046,919.80 = 67,679,955.60/x
  3. Step 3: Cross multiply
    71,364,613.20x = 107,046,919.80 × 67,679,955.60
  4. Step 4: Simplify right side
    71,364,613.20x = 7,244,930,779,180,760
  5. Step 5: Solve for x
    x = 7,244,930,779,180,760/71,364,613.20
  6. Step 6: Final answer
    x = 101,519,933.40

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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.