Home / 239,234,739.03-330,144,084.50-129,226,500.63

Finding the Fourth Proportional to 239,234,739.03, 330,144,084.50 and 129,226,500.63

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Solution

The fourth proportional to 239,234,739.03, 330,144,084.50 and 129,226,500.63 is: 178,332,649.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,234,739.03 : 330,144,084.50 = 129,226,500.63 : x
  2. Step 2: Convert to fraction form
    239,234,739.03/330,144,084.50 = 129,226,500.63/x
  3. Step 3: Cross multiply
    239,234,739.03x = 330,144,084.50 × 129,226,500.63
  4. Step 4: Simplify right side
    239,234,739.03x = 42,663,364,742,983,888
  5. Step 5: Solve for x
    x = 42,663,364,742,983,888/239,234,739.03
  6. Step 6: Final answer
    x = 178,332,649.00

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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.