Home / 198,310,209.60-297,465,314.40-161,959,645.20

Finding the Fourth Proportional to 198,310,209.60, 297,465,314.40 and 161,959,645.20

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Solution

The fourth proportional to 198,310,209.60, 297,465,314.40 and 161,959,645.20 is: 242,939,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,310,209.60 : 297,465,314.40 = 161,959,645.20 : x
  2. Step 2: Convert to fraction form
    198,310,209.60/297,465,314.40 = 161,959,645.20/x
  3. Step 3: Cross multiply
    198,310,209.60x = 297,465,314.40 × 161,959,645.20
  4. Step 4: Simplify right side
    198,310,209.60x = 48,177,376,779,530,440
  5. Step 5: Solve for x
    x = 48,177,376,779,530,440/198,310,209.60
  6. Step 6: Final answer
    x = 242,939,467.80

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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.