Home / 329,947,862.40-495,205,228.80-145,998,417.60

Finding the Fourth Proportional to 329,947,862.40, 495,205,228.80 and 145,998,417.60

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Solution

The fourth proportional to 329,947,862.40, 495,205,228.80 and 145,998,417.60 is: 219,123,043.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,947,862.40 : 495,205,228.80 = 145,998,417.60 : x
  2. Step 2: Convert to fraction form
    329,947,862.40/495,205,228.80 = 145,998,417.60/x
  3. Step 3: Cross multiply
    329,947,862.40x = 495,205,228.80 × 145,998,417.60
  4. Step 4: Simplify right side
    329,947,862.40x = 72,299,179,792,045,952
  5. Step 5: Solve for x
    x = 72,299,179,792,045,952/329,947,862.40
  6. Step 6: Final answer
    x = 219,123,043.46

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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.