Home / 198,288,001.20-297,432,001.80-62,015,156.40

Finding the Fourth Proportional to 198,288,001.20, 297,432,001.80 and 62,015,156.40

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Solution

The fourth proportional to 198,288,001.20, 297,432,001.80 and 62,015,156.40 is: 93,022,734.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,288,001.20 : 297,432,001.80 = 62,015,156.40 : x
  2. Step 2: Convert to fraction form
    198,288,001.20/297,432,001.80 = 62,015,156.40/x
  3. Step 3: Cross multiply
    198,288,001.20x = 297,432,001.80 × 62,015,156.40
  4. Step 4: Simplify right side
    198,288,001.20x = 18,445,292,109,992,080
  5. Step 5: Solve for x
    x = 18,445,292,109,992,080/198,288,001.20
  6. Step 6: Final answer
    x = 93,022,734.60

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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.