Home / 107,839,307.20-161,758,960.80-47,373,131.20

Finding the Fourth Proportional to 107,839,307.20, 161,758,960.80 and 47,373,131.20

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Solution

The fourth proportional to 107,839,307.20, 161,758,960.80 and 47,373,131.20 is: 71,059,696.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,839,307.20 : 161,758,960.80 = 47,373,131.20 : x
  2. Step 2: Convert to fraction form
    107,839,307.20/161,758,960.80 = 47,373,131.20/x
  3. Step 3: Cross multiply
    107,839,307.20x = 161,758,960.80 × 47,373,131.20
  4. Step 4: Simplify right side
    107,839,307.20x = 7,663,028,472,754,058
  5. Step 5: Solve for x
    x = 7,663,028,472,754,058/107,839,307.20
  6. Step 6: Final answer
    x = 71,059,696.80

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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.