Home / 87,163,803.90-120,291,489.52-48,005,570.72

Finding the Fourth Proportional to 87,163,803.90, 120,291,489.52 and 48,005,570.72

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Solution

The fourth proportional to 87,163,803.90, 120,291,489.52 and 48,005,570.72 is: 66,250,683.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,163,803.90 : 120,291,489.52 = 48,005,570.72 : x
  2. Step 2: Convert to fraction form
    87,163,803.90/120,291,489.52 = 48,005,570.72/x
  3. Step 3: Cross multiply
    87,163,803.90x = 120,291,489.52 × 48,005,570.72
  4. Step 4: Simplify right side
    87,163,803.90x = 5,774,661,607,166,499
  5. Step 5: Solve for x
    x = 5,774,661,607,166,499/87,163,803.90
  6. Step 6: Final answer
    x = 66,250,683.76

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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.