Home / 82,847,079.31-124,283,387.95-28,246,895.85

Finding the Fourth Proportional to 82,847,079.31, 124,283,387.95 and 28,246,895.85

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Solution

The fourth proportional to 82,847,079.31, 124,283,387.95 and 28,246,895.85 is: 42,374,697.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,847,079.31 : 124,283,387.95 = 28,246,895.85 : x
  2. Step 2: Convert to fraction form
    82,847,079.31/124,283,387.95 = 28,246,895.85/x
  3. Step 3: Cross multiply
    82,847,079.31x = 124,283,387.95 × 28,246,895.85
  4. Step 4: Simplify right side
    82,847,079.31x = 3,510,619,914,687,378
  5. Step 5: Solve for x
    x = 3,510,619,914,687,378/82,847,079.31
  6. Step 6: Final answer
    x = 42,374,697.38

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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.