Home / 87,570,315.60-120,826,984.93-52,281,251.74

Finding the Fourth Proportional to 87,570,315.60, 120,826,984.93 and 52,281,251.74

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Solution

The fourth proportional to 87,570,315.60, 120,826,984.93 and 52,281,251.74 is: 72,136,156.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,570,315.60 : 120,826,984.93 = 52,281,251.74 : x
  2. Step 2: Convert to fraction form
    87,570,315.60/120,826,984.93 = 52,281,251.74/x
  3. Step 3: Cross multiply
    87,570,315.60x = 120,826,984.93 × 52,281,251.74
  4. Step 4: Simplify right side
    87,570,315.60x = 6,316,986,016,110,517
  5. Step 5: Solve for x
    x = 6,316,986,016,110,517/87,570,315.60
  6. Step 6: Final answer
    x = 72,136,156.79

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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.