Home / 209,822,793.80-314,734,190.70-197,057,712.20

Finding the Fourth Proportional to 209,822,793.80, 314,734,190.70 and 197,057,712.20

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Solution

The fourth proportional to 209,822,793.80, 314,734,190.70 and 197,057,712.20 is: 295,586,568.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,822,793.80 : 314,734,190.70 = 197,057,712.20 : x
  2. Step 2: Convert to fraction form
    209,822,793.80/314,734,190.70 = 197,057,712.20/x
  3. Step 3: Cross multiply
    209,822,793.80x = 314,734,190.70 × 197,057,712.20
  4. Step 4: Simplify right side
    209,822,793.80x = 62,020,799,570,460,512
  5. Step 5: Solve for x
    x = 62,020,799,570,460,512/209,822,793.80
  6. Step 6: Final answer
    x = 295,586,568.30

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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.