Home / 43,454,025.20-65,181,037.80-42,782,178.80

Finding the Fourth Proportional to 43,454,025.20, 65,181,037.80 and 42,782,178.80

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Solution

The fourth proportional to 43,454,025.20, 65,181,037.80 and 42,782,178.80 is: 64,173,268.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,454,025.20 : 65,181,037.80 = 42,782,178.80 : x
  2. Step 2: Convert to fraction form
    43,454,025.20/65,181,037.80 = 42,782,178.80/x
  3. Step 3: Cross multiply
    43,454,025.20x = 65,181,037.80 × 42,782,178.80
  4. Step 4: Simplify right side
    43,454,025.20x = 2,788,586,813,529,158.50
  5. Step 5: Solve for x
    x = 2,788,586,813,529,158.50/43,454,025.20
  6. Step 6: Final answer
    x = 64,173,268.20

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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.