Home / 87,748,085.68-121,090,883.10-48,589,021.92

Finding the Fourth Proportional to 87,748,085.68, 121,090,883.10 and 48,589,021.92

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Solution

The fourth proportional to 87,748,085.68, 121,090,883.10 and 48,589,021.92 is: 67,052,033.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,748,085.68 : 121,090,883.10 = 48,589,021.92 : x
  2. Step 2: Convert to fraction form
    87,748,085.68/121,090,883.10 = 48,589,021.92/x
  3. Step 3: Cross multiply
    87,748,085.68x = 121,090,883.10 × 48,589,021.92
  4. Step 4: Simplify right side
    87,748,085.68x = 5,883,687,573,258,057
  5. Step 5: Solve for x
    x = 5,883,687,573,258,057/87,748,085.68
  6. Step 6: Final answer
    x = 67,052,033.42

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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.