Home / 239,746,974.28-330,850,824.90-129,738,687.28

Finding the Fourth Proportional to 239,746,974.28, 330,850,824.90 and 129,738,687.28

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Solution

The fourth proportional to 239,746,974.28, 330,850,824.90 and 129,738,687.28 is: 179,039,388.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,746,974.28 : 330,850,824.90 = 129,738,687.28 : x
  2. Step 2: Convert to fraction form
    239,746,974.28/330,850,824.90 = 129,738,687.28/x
  3. Step 3: Cross multiply
    239,746,974.28x = 330,850,824.90 × 129,738,687.28
  4. Step 4: Simplify right side
    239,746,974.28x = 42,924,151,708,031,136
  5. Step 5: Solve for x
    x = 42,924,151,708,031,136/239,746,974.28
  6. Step 6: Final answer
    x = 179,039,388.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.