Home / 87,431,405.81-131,153,407.28-33,578,717.81

Finding the Fourth Proportional to 87,431,405.81, 131,153,407.28 and 33,578,717.81

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Solution

The fourth proportional to 87,431,405.81, 131,153,407.28 and 33,578,717.81 is: 50,370,495.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,431,405.81 : 131,153,407.28 = 33,578,717.81 : x
  2. Step 2: Convert to fraction form
    87,431,405.81/131,153,407.28 = 33,578,717.81/x
  3. Step 3: Cross multiply
    87,431,405.81x = 131,153,407.28 × 33,578,717.81
  4. Step 4: Simplify right side
    87,431,405.81x = 4,403,963,253,286,950
  5. Step 5: Solve for x
    x = 4,403,963,253,286,950/87,431,405.81
  6. Step 6: Final answer
    x = 50,370,495.73

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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.