Home / 295,245,801.60-442,868,702.40-90,747,304.80

Finding the Fourth Proportional to 295,245,801.60, 442,868,702.40 and 90,747,304.80

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Solution

The fourth proportional to 295,245,801.60, 442,868,702.40 and 90,747,304.80 is: 136,120,957.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,245,801.60 : 442,868,702.40 = 90,747,304.80 : x
  2. Step 2: Convert to fraction form
    295,245,801.60/442,868,702.40 = 90,747,304.80/x
  3. Step 3: Cross multiply
    295,245,801.60x = 442,868,702.40 × 90,747,304.80
  4. Step 4: Simplify right side
    295,245,801.60x = 40,189,141,123,073,288
  5. Step 5: Solve for x
    x = 40,189,141,123,073,288/295,245,801.60
  6. Step 6: Final answer
    x = 136,120,957.20

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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.