Home / 72,876,230.10-109,315,511.55-19,023,542.10

Finding the Fourth Proportional to 72,876,230.10, 109,315,511.55 and 19,023,542.10

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Solution

The fourth proportional to 72,876,230.10, 109,315,511.55 and 19,023,542.10 is: 28,535,617.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,876,230.10 : 109,315,511.55 = 19,023,542.10 : x
  2. Step 2: Convert to fraction form
    72,876,230.10/109,315,511.55 = 19,023,542.10/x
  3. Step 3: Cross multiply
    72,876,230.10x = 109,315,511.55 × 19,023,542.10
  4. Step 4: Simplify right side
    72,876,230.10x = 2,079,568,236,154,461.25
  5. Step 5: Solve for x
    x = 2,079,568,236,154,461.25/72,876,230.10
  6. Step 6: Final answer
    x = 28,535,617.63

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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.