Home / 82,449,742.80-123,674,614.20-46,170,037.20

Finding the Fourth Proportional to 82,449,742.80, 123,674,614.20 and 46,170,037.20

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Solution

The fourth proportional to 82,449,742.80, 123,674,614.20 and 46,170,037.20 is: 69,255,055.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,449,742.80 : 123,674,614.20 = 46,170,037.20 : x
  2. Step 2: Convert to fraction form
    82,449,742.80/123,674,614.20 = 46,170,037.20/x
  3. Step 3: Cross multiply
    82,449,742.80x = 123,674,614.20 × 46,170,037.20
  4. Step 4: Simplify right side
    82,449,742.80x = 5,710,061,538,309,649
  5. Step 5: Solve for x
    x = 5,710,061,538,309,649/82,449,742.80
  6. Step 6: Final answer
    x = 69,255,055.80

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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.