Home / 107,839,479.20-161,759,218.80-31,165,008.80

Finding the Fourth Proportional to 107,839,479.20, 161,759,218.80 and 31,165,008.80

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Solution

The fourth proportional to 107,839,479.20, 161,759,218.80 and 31,165,008.80 is: 46,747,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,839,479.20 : 161,759,218.80 = 31,165,008.80 : x
  2. Step 2: Convert to fraction form
    107,839,479.20/161,759,218.80 = 31,165,008.80/x
  3. Step 3: Cross multiply
    107,839,479.20x = 161,759,218.80 × 31,165,008.80
  4. Step 4: Simplify right side
    107,839,479.20x = 5,041,227,477,383,126
  5. Step 5: Solve for x
    x = 5,041,227,477,383,126/107,839,479.20
  6. Step 6: Final answer
    x = 46,747,513.20

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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.