Home / 82,584,361.76-123,876,535.80-39,322,407.15

Finding the Fourth Proportional to 82,584,361.76, 123,876,535.80 and 39,322,407.15

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Solution

The fourth proportional to 82,584,361.76, 123,876,535.80 and 39,322,407.15 is: 58,983,607.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,584,361.76 : 123,876,535.80 = 39,322,407.15 : x
  2. Step 2: Convert to fraction form
    82,584,361.76/123,876,535.80 = 39,322,407.15/x
  3. Step 3: Cross multiply
    82,584,361.76x = 123,876,535.80 × 39,322,407.15
  4. Step 4: Simplify right side
    82,584,361.76x = 4,871,123,577,059,151
  5. Step 5: Solve for x
    x = 4,871,123,577,059,151/82,584,361.76
  6. Step 6: Final answer
    x = 58,983,607.47

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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.