Home / 82,310,038.43-123,512,887.34-36,871,832.93

Finding the Fourth Proportional to 82,310,038.43, 123,512,887.34 and 36,871,832.93

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Solution

The fourth proportional to 82,310,038.43, 123,512,887.34 and 36,871,832.93 is: 55,329,175.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,310,038.43 : 123,512,887.34 = 36,871,832.93 : x
  2. Step 2: Convert to fraction form
    82,310,038.43/123,512,887.34 = 36,871,832.93/x
  3. Step 3: Cross multiply
    82,310,038.43x = 123,512,887.34 × 36,871,832.93
  4. Step 4: Simplify right side
    82,310,038.43x = 4,554,146,545,900,468
  5. Step 5: Solve for x
    x = 4,554,146,545,900,468/82,310,038.43
  6. Step 6: Final answer
    x = 55,329,175.31

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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.