Home / 239,168,118.25-330,052,000.52-129,159,831.25

Finding the Fourth Proportional to 239,168,118.25, 330,052,000.52 and 129,159,831.25

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Solution

The fourth proportional to 239,168,118.25, 330,052,000.52 and 129,159,831.25 is: 178,240,565.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,168,118.25 : 330,052,000.52 = 129,159,831.25 : x
  2. Step 2: Convert to fraction form
    239,168,118.25/330,052,000.52 = 129,159,831.25/x
  3. Step 3: Cross multiply
    239,168,118.25x = 330,052,000.52 × 129,159,831.25
  4. Step 4: Simplify right side
    239,168,118.25x = 42,629,460,691,623,576
  5. Step 5: Solve for x
    x = 42,629,460,691,623,576/239,168,118.25
  6. Step 6: Final answer
    x = 178,240,565.69

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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.