Home / 87,705,090.40-131,274,200.40-68,431,496.80

Finding the Fourth Proportional to 87,705,090.40, 131,274,200.40 and 68,431,496.80

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Solution

The fourth proportional to 87,705,090.40, 131,274,200.40 and 68,431,496.80 is: 102,426,096.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,705,090.40 : 131,274,200.40 = 68,431,496.80 : x
  2. Step 2: Convert to fraction form
    87,705,090.40/131,274,200.40 = 68,431,496.80/x
  3. Step 3: Cross multiply
    87,705,090.40x = 131,274,200.40 × 68,431,496.80
  4. Step 4: Simplify right side
    87,705,090.40x = 8,983,290,024,595,159
  5. Step 5: Solve for x
    x = 8,983,290,024,595,159/87,705,090.40
  6. Step 6: Final answer
    x = 102,426,096.18

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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.