Home / 198,228,305.60-297,342,458.40-147,209,969.60

Finding the Fourth Proportional to 198,228,305.60, 297,342,458.40 and 147,209,969.60

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Solution

The fourth proportional to 198,228,305.60, 297,342,458.40 and 147,209,969.60 is: 220,814,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,228,305.60 : 297,342,458.40 = 147,209,969.60 : x
  2. Step 2: Convert to fraction form
    198,228,305.60/297,342,458.40 = 147,209,969.60/x
  3. Step 3: Cross multiply
    198,228,305.60x = 297,342,458.40 × 147,209,969.60
  4. Step 4: Simplify right side
    198,228,305.60x = 43,771,774,261,853,256
  5. Step 5: Solve for x
    x = 43,771,774,261,853,256/198,228,305.60
  6. Step 6: Final answer
    x = 220,814,954.40

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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.