Home / 239,232,529.50-330,141,023.55-129,224,243.58

Finding the Fourth Proportional to 239,232,529.50, 330,141,023.55 and 129,224,243.58

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Solution

The fourth proportional to 239,232,529.50, 330,141,023.55 and 129,224,243.58 is: 178,329,527.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,232,529.50 : 330,141,023.55 = 129,224,243.58 : x
  2. Step 2: Convert to fraction form
    239,232,529.50/330,141,023.55 = 129,224,243.58/x
  3. Step 3: Cross multiply
    239,232,529.50x = 330,141,023.55 × 129,224,243.58
  4. Step 4: Simplify right side
    239,232,529.50x = 42,662,224,042,975,720
  5. Step 5: Solve for x
    x = 42,662,224,042,975,720/239,232,529.50
  6. Step 6: Final answer
    x = 178,329,527.90

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1.5x scale

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.