Home / 87,610,127.40-120,888,546.12-50,433,225.12

Finding the Fourth Proportional to 87,610,127.40, 120,888,546.12 and 50,433,225.12

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Solution

The fourth proportional to 87,610,127.40, 120,888,546.12 and 50,433,225.12 is: 69,590,119.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,610,127.40 : 120,888,546.12 = 50,433,225.12 : x
  2. Step 2: Convert to fraction form
    87,610,127.40/120,888,546.12 = 50,433,225.12/x
  3. Step 3: Cross multiply
    87,610,127.40x = 120,888,546.12 × 50,433,225.12
  4. Step 4: Simplify right side
    87,610,127.40x = 6,096,799,260,899,462
  5. Step 5: Solve for x
    x = 6,096,799,260,899,462/87,610,127.40
  6. Step 6: Final answer
    x = 69,590,119.79

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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.