Home / 43,454,621.70-65,181,932.55-42,782,775.30

Finding the Fourth Proportional to 43,454,621.70, 65,181,932.55 and 42,782,775.30

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Solution

The fourth proportional to 43,454,621.70, 65,181,932.55 and 42,782,775.30 is: 64,174,162.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,454,621.70 : 65,181,932.55 = 42,782,775.30 : x
  2. Step 2: Convert to fraction form
    43,454,621.70/65,181,932.55 = 42,782,775.30/x
  3. Step 3: Cross multiply
    43,454,621.70x = 65,181,932.55 × 42,782,775.30
  4. Step 4: Simplify right side
    43,454,621.70x = 2,788,663,973,906,405.50
  5. Step 5: Solve for x
    x = 2,788,663,973,906,405.50/43,454,621.70
  6. Step 6: Final answer
    x = 64,174,162.95

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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.