Home / 107,839,231.80-161,758,847.70-31,164,761.40

Finding the Fourth Proportional to 107,839,231.80, 161,758,847.70 and 31,164,761.40

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Solution

The fourth proportional to 107,839,231.80, 161,758,847.70 and 31,164,761.40 is: 46,747,142.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,839,231.80 : 161,758,847.70 = 31,164,761.40 : x
  2. Step 2: Convert to fraction form
    107,839,231.80/161,758,847.70 = 31,164,761.40/x
  3. Step 3: Cross multiply
    107,839,231.80x = 161,758,847.70 × 31,164,761.40
  4. Step 4: Simplify right side
    107,839,231.80x = 5,041,175,892,909,438
  5. Step 5: Solve for x
    x = 5,041,175,892,909,438/107,839,231.80
  6. Step 6: Final answer
    x = 46,747,142.10

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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.