Home / 87,157,685.60-120,276,152.76-48,003,105.56

Finding the Fourth Proportional to 87,157,685.60, 120,276,152.76 and 48,003,105.56

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Solution

The fourth proportional to 87,157,685.60, 120,276,152.76 and 48,003,105.56 is: 66,243,485.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,157,685.60 : 120,276,152.76 = 48,003,105.56 : x
  2. Step 2: Convert to fraction form
    87,157,685.60/120,276,152.76 = 48,003,105.56/x
  3. Step 3: Cross multiply
    87,157,685.60x = 120,276,152.76 × 48,003,105.56
  4. Step 4: Simplify right side
    87,157,685.60x = 5,773,628,857,288,966
  5. Step 5: Solve for x
    x = 5,773,628,857,288,966/87,157,685.60
  6. Step 6: Final answer
    x = 66,243,485.21

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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.