Home / 87,966,090.40-132,012,121.20-36,884,768.80

Finding the Fourth Proportional to 87,966,090.40, 132,012,121.20 and 36,884,768.80

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Solution

The fourth proportional to 87,966,090.40, 132,012,121.20 and 36,884,768.80 is: 55,353,563.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,966,090.40 : 132,012,121.20 = 36,884,768.80 : x
  2. Step 2: Convert to fraction form
    87,966,090.40/132,012,121.20 = 36,884,768.80/x
  3. Step 3: Cross multiply
    87,966,090.40x = 132,012,121.20 × 36,884,768.80
  4. Step 4: Simplify right side
    87,966,090.40x = 4,869,236,569,259,578
  5. Step 5: Solve for x
    x = 4,869,236,569,259,578/87,966,090.40
  6. Step 6: Final answer
    x = 55,353,563.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.