Home / 87,014,038.64-120,080,177.52-47,321,946.68

Finding the Fourth Proportional to 87,014,038.64, 120,080,177.52 and 47,321,946.68

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Solution

The fourth proportional to 87,014,038.64, 120,080,177.52 and 47,321,946.68 is: 65,304,723.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,014,038.64 : 120,080,177.52 = 47,321,946.68 : x
  2. Step 2: Convert to fraction form
    87,014,038.64/120,080,177.52 = 47,321,946.68/x
  3. Step 3: Cross multiply
    87,014,038.64x = 120,080,177.52 × 47,321,946.68
  4. Step 4: Simplify right side
    87,014,038.64x = 5,682,427,757,926,374
  5. Step 5: Solve for x
    x = 5,682,427,757,926,374/87,014,038.64
  6. Step 6: Final answer
    x = 65,304,723.77

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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.