Home / 239,230,941.42-330,138,648.27-129,222,655.50

Finding the Fourth Proportional to 239,230,941.42, 330,138,648.27 and 129,222,655.50

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Solution

The fourth proportional to 239,230,941.42, 330,138,648.27 and 129,222,655.50 is: 178,327,237.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,230,941.42 : 330,138,648.27 = 129,222,655.50 : x
  2. Step 2: Convert to fraction form
    239,230,941.42/330,138,648.27 = 129,222,655.50/x
  3. Step 3: Cross multiply
    239,230,941.42x = 330,138,648.27 × 129,222,655.50
  4. Step 4: Simplify right side
    239,230,941.42x = 42,661,392,812,629,880
  5. Step 5: Solve for x
    x = 42,661,392,812,629,880/239,230,941.42
  6. Step 6: Final answer
    x = 178,327,237.10

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Why These Related Problems?

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