Home / 66,570,069.30-99,784,245.15-25,613,682.90

Finding the Fourth Proportional to 66,570,069.30, 99,784,245.15 and 25,613,682.90

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Solution

The fourth proportional to 66,570,069.30, 99,784,245.15 and 25,613,682.90 is: 38,393,260.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,570,069.30 : 99,784,245.15 = 25,613,682.90 : x
  2. Step 2: Convert to fraction form
    66,570,069.30/99,784,245.15 = 25,613,682.90/x
  3. Step 3: Cross multiply
    66,570,069.30x = 99,784,245.15 × 25,613,682.90
  4. Step 4: Simplify right side
    66,570,069.30x = 2,555,842,013,687,963
  5. Step 5: Solve for x
    x = 2,555,842,013,687,963/66,570,069.30
  6. Step 6: Final answer
    x = 38,393,260.52

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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.