Home / 329,947,809.40-495,205,149.30-145,998,364.60

Finding the Fourth Proportional to 329,947,809.40, 495,205,149.30 and 145,998,364.60

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Solution

The fourth proportional to 329,947,809.40, 495,205,149.30 and 145,998,364.60 is: 219,122,963.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,947,809.40 : 495,205,149.30 = 145,998,364.60 : x
  2. Step 2: Convert to fraction form
    329,947,809.40/495,205,149.30 = 145,998,364.60/x
  3. Step 3: Cross multiply
    329,947,809.40x = 495,205,149.30 × 145,998,364.60
  4. Step 4: Simplify right side
    329,947,809.40x = 72,299,141,939,298,832
  5. Step 5: Solve for x
    x = 72,299,141,939,298,832/329,947,809.40
  6. Step 6: Final answer
    x = 219,122,963.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.