Home / 198,160,873.60-297,241,310.40-68,725,465.60

Finding the Fourth Proportional to 198,160,873.60, 297,241,310.40 and 68,725,465.60

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Solution

The fourth proportional to 198,160,873.60, 297,241,310.40 and 68,725,465.60 is: 103,088,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,160,873.60 : 297,241,310.40 = 68,725,465.60 : x
  2. Step 2: Convert to fraction form
    198,160,873.60/297,241,310.40 = 68,725,465.60/x
  3. Step 3: Cross multiply
    198,160,873.60x = 297,241,310.40 × 68,725,465.60
  4. Step 4: Simplify right side
    198,160,873.60x = 20,428,047,452,794,120
  5. Step 5: Solve for x
    x = 20,428,047,452,794,120/198,160,873.60
  6. Step 6: Final answer
    x = 103,088,198.40

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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.