Home / 198,140,601.60-297,210,902.40-137,674,425.60

Finding the Fourth Proportional to 198,140,601.60, 297,210,902.40 and 137,674,425.60

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Solution

The fourth proportional to 198,140,601.60, 297,210,902.40 and 137,674,425.60 is: 206,511,638.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,140,601.60 : 297,210,902.40 = 137,674,425.60 : x
  2. Step 2: Convert to fraction form
    198,140,601.60/297,210,902.40 = 137,674,425.60/x
  3. Step 3: Cross multiply
    198,140,601.60x = 297,210,902.40 × 137,674,425.60
  4. Step 4: Simplify right side
    198,140,601.60x = 40,918,340,269,977,656
  5. Step 5: Solve for x
    x = 40,918,340,269,977,656/198,140,601.60
  6. Step 6: Final answer
    x = 206,511,638.40

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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.