Home / 100,524,266.85-150,646,896.99-45,803,121.15

Finding the Fourth Proportional to 100,524,266.85, 150,646,896.99 and 45,803,121.15

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Solution

The fourth proportional to 100,524,266.85, 150,646,896.99 and 45,803,121.15 is: 68,641,118.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,524,266.85 : 150,646,896.99 = 45,803,121.15 : x
  2. Step 2: Convert to fraction form
    100,524,266.85/150,646,896.99 = 45,803,121.15/x
  3. Step 3: Cross multiply
    100,524,266.85x = 150,646,896.99 × 45,803,121.15
  4. Step 4: Simplify right side
    100,524,266.85x = 6,900,098,073,704,541
  5. Step 5: Solve for x
    x = 6,900,098,073,704,541/100,524,266.85
  6. Step 6: Final answer
    x = 68,641,118.11

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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.