Home / 48,279,538.80-72,432,138.60-20,974,114.80

Finding the Fourth Proportional to 48,279,538.80, 72,432,138.60 and 20,974,114.80

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Solution

The fourth proportional to 48,279,538.80, 72,432,138.60 and 20,974,114.80 is: 31,466,746.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,279,538.80 : 72,432,138.60 = 20,974,114.80 : x
  2. Step 2: Convert to fraction form
    48,279,538.80/72,432,138.60 = 20,974,114.80/x
  3. Step 3: Cross multiply
    48,279,538.80x = 72,432,138.60 × 20,974,114.80
  4. Step 4: Simplify right side
    48,279,538.80x = 1,519,199,990,205,911.25
  5. Step 5: Solve for x
    x = 1,519,199,990,205,911.25/48,279,538.80
  6. Step 6: Final answer
    x = 31,466,746.12

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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.