Home / 239,527,722.96-330,548,026.23-129,519,173.52

Finding the Fourth Proportional to 239,527,722.96, 330,548,026.23 and 129,519,173.52

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Solution

The fourth proportional to 239,527,722.96, 330,548,026.23 and 129,519,173.52 is: 178,736,334.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,527,722.96 : 330,548,026.23 = 129,519,173.52 : x
  2. Step 2: Convert to fraction form
    239,527,722.96/330,548,026.23 = 129,519,173.52/x
  3. Step 3: Cross multiply
    239,527,722.96x = 330,548,026.23 × 129,519,173.52
  4. Step 4: Simplify right side
    239,527,722.96x = 42,812,307,165,976,880
  5. Step 5: Solve for x
    x = 42,812,307,165,976,880/239,527,722.96
  6. Step 6: Final answer
    x = 178,736,334.30

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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.