Home / 83,041,401.78-124,565,563.89-28,491,509.12

Finding the Fourth Proportional to 83,041,401.78, 124,565,563.89 and 28,491,509.12

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Solution

The fourth proportional to 83,041,401.78, 124,565,563.89 and 28,491,509.12 is: 42,738,451.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,041,401.78 : 124,565,563.89 = 28,491,509.12 : x
  2. Step 2: Convert to fraction form
    83,041,401.78/124,565,563.89 = 28,491,509.12/x
  3. Step 3: Cross multiply
    83,041,401.78x = 124,565,563.89 × 28,491,509.12
  4. Step 4: Simplify right side
    83,041,401.78x = 3,549,060,898,987,049.50
  5. Step 5: Solve for x
    x = 3,549,060,898,987,049.50/83,041,401.78
  6. Step 6: Final answer
    x = 42,738,451.22

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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.