Home / 87,157,713.66-120,276,191.34-48,003,133.74

Finding the Fourth Proportional to 87,157,713.66, 120,276,191.34 and 48,003,133.74

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Solution

The fourth proportional to 87,157,713.66, 120,276,191.34 and 48,003,133.74 is: 66,243,524.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,157,713.66 : 120,276,191.34 = 48,003,133.74 : x
  2. Step 2: Convert to fraction form
    87,157,713.66/120,276,191.34 = 48,003,133.74/x
  3. Step 3: Cross multiply
    87,157,713.66x = 120,276,191.34 × 48,003,133.74
  4. Step 4: Simplify right side
    87,157,713.66x = 5,773,634,098,631,850
  5. Step 5: Solve for x
    x = 5,773,634,098,631,850/87,157,713.66
  6. Step 6: Final answer
    x = 66,243,524.02

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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.