Home / 198,287,998.80-297,431,998.20-152,938,366.80

Finding the Fourth Proportional to 198,287,998.80, 297,431,998.20 and 152,938,366.80

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Solution

The fourth proportional to 198,287,998.80, 297,431,998.20 and 152,938,366.80 is: 229,407,550.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,287,998.80 : 297,431,998.20 = 152,938,366.80 : x
  2. Step 2: Convert to fraction form
    198,287,998.80/297,431,998.20 = 152,938,366.80/x
  3. Step 3: Cross multiply
    198,287,998.80x = 297,431,998.20 × 152,938,366.80
  4. Step 4: Simplify right side
    198,287,998.80x = 45,488,764,038,768,544
  5. Step 5: Solve for x
    x = 45,488,764,038,768,544/198,287,998.80
  6. Step 6: Final answer
    x = 229,407,550.20

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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.