Home / 198,216,734.40-297,325,101.60-157,402,065.60

Finding the Fourth Proportional to 198,216,734.40, 297,325,101.60 and 157,402,065.60

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Solution

The fourth proportional to 198,216,734.40, 297,325,101.60 and 157,402,065.60 is: 236,103,098.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,216,734.40 : 297,325,101.60 = 157,402,065.60 : x
  2. Step 2: Convert to fraction form
    198,216,734.40/297,325,101.60 = 157,402,065.60/x
  3. Step 3: Cross multiply
    198,216,734.40x = 297,325,101.60 × 157,402,065.60
  4. Step 4: Simplify right side
    198,216,734.40x = 46,799,585,146,569,864
  5. Step 5: Solve for x
    x = 46,799,585,146,569,864/198,216,734.40
  6. Step 6: Final answer
    x = 236,103,098.40

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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.