Home / 87,157,711.94-120,276,189.23-48,003,132.06

Finding the Fourth Proportional to 87,157,711.94, 120,276,189.23 and 48,003,132.06

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Solution

The fourth proportional to 87,157,711.94, 120,276,189.23 and 48,003,132.06 is: 66,243,521.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,157,711.94 : 120,276,189.23 = 48,003,132.06 : x
  2. Step 2: Convert to fraction form
    87,157,711.94/120,276,189.23 = 48,003,132.06/x
  3. Step 3: Cross multiply
    87,157,711.94x = 120,276,189.23 × 48,003,132.06
  4. Step 4: Simplify right side
    87,157,711.94x = 5,773,633,795,041,224
  5. Step 5: Solve for x
    x = 5,773,633,795,041,224/87,157,711.94
  6. Step 6: Final answer
    x = 66,243,521.85

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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.