Home / 48,491,377.20-72,737,065.80-43,230,111.30

Finding the Fourth Proportional to 48,491,377.20, 72,737,065.80 and 43,230,111.30

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Solution

The fourth proportional to 48,491,377.20, 72,737,065.80 and 43,230,111.30 is: 64,845,166.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,491,377.20 : 72,737,065.80 = 43,230,111.30 : x
  2. Step 2: Convert to fraction form
    48,491,377.20/72,737,065.80 = 43,230,111.30/x
  3. Step 3: Cross multiply
    48,491,377.20x = 72,737,065.80 × 43,230,111.30
  4. Step 4: Simplify right side
    48,491,377.20x = 3,144,431,450,169,423
  5. Step 5: Solve for x
    x = 3,144,431,450,169,423/48,491,377.20
  6. Step 6: Final answer
    x = 64,845,166.95

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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.