Home / 102,679,466-141,698,778.56-56,268,723.52

Finding the Fourth Proportional to 102,679,466, 141,698,778.56 and 56,268,723.52

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Solution

The fourth proportional to 102,679,466, 141,698,778.56 and 56,268,723.52 is: 77,651,449.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,679,466 : 141,698,778.56 = 56,268,723.52 : x
  2. Step 2: Convert to fraction form
    102,679,466/141,698,778.56 = 56,268,723.52/x
  3. Step 3: Cross multiply
    102,679,466x = 141,698,778.56 × 56,268,723.52
  4. Step 4: Simplify right side
    102,679,466x = 7,973,209,393,914,344
  5. Step 5: Solve for x
    x = 7,973,209,393,914,344/102,679,466
  6. Step 6: Final answer
    x = 77,651,449.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.