Home / 107,839,113.20-161,758,669.80-47,372,937.20

Finding the Fourth Proportional to 107,839,113.20, 161,758,669.80 and 47,372,937.20

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Solution

The fourth proportional to 107,839,113.20, 161,758,669.80 and 47,372,937.20 is: 71,059,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,839,113.20 : 161,758,669.80 = 47,372,937.20 : x
  2. Step 2: Convert to fraction form
    107,839,113.20/161,758,669.80 = 47,372,937.20/x
  3. Step 3: Cross multiply
    107,839,113.20x = 161,758,669.80 × 47,372,937.20
  4. Step 4: Simplify right side
    107,839,113.20x = 7,662,983,305,990,938
  5. Step 5: Solve for x
    x = 7,662,983,305,990,938/107,839,113.20
  6. Step 6: Final answer
    x = 71,059,405.80

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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.