Home / 239,746,660.31-330,850,391.33-129,738,373.31

Finding the Fourth Proportional to 239,746,660.31, 330,850,391.33 and 129,738,373.31

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Solution

The fourth proportional to 239,746,660.31, 330,850,391.33 and 129,738,373.31 is: 179,038,955.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,746,660.31 : 330,850,391.33 = 129,738,373.31 : x
  2. Step 2: Convert to fraction form
    239,746,660.31/330,850,391.33 = 129,738,373.31/x
  3. Step 3: Cross multiply
    239,746,660.31x = 330,850,391.33 × 129,738,373.31
  4. Step 4: Simplify right side
    239,746,660.31x = 42,923,991,581,282,600
  5. Step 5: Solve for x
    x = 42,923,991,581,282,600/239,746,660.31
  6. Step 6: Final answer
    x = 179,038,955.23

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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.