Home / 65,400,385.77-90,252,617.85-35,630,885.88

Finding the Fourth Proportional to 65,400,385.77, 90,252,617.85 and 35,630,885.88

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Solution

The fourth proportional to 65,400,385.77, 90,252,617.85 and 35,630,885.88 is: 49,170,669.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,400,385.77 : 90,252,617.85 = 35,630,885.88 : x
  2. Step 2: Convert to fraction form
    65,400,385.77/90,252,617.85 = 35,630,885.88/x
  3. Step 3: Cross multiply
    65,400,385.77x = 90,252,617.85 × 35,630,885.88
  4. Step 4: Simplify right side
    65,400,385.77x = 3,215,780,726,984,601
  5. Step 5: Solve for x
    x = 3,215,780,726,984,601/65,400,385.77
  6. Step 6: Final answer
    x = 49,170,669.09

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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.