Home / 209,930,019.60-314,895,029.40-133,591,472.40

Finding the Fourth Proportional to 209,930,019.60, 314,895,029.40 and 133,591,472.40

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Solution

The fourth proportional to 209,930,019.60, 314,895,029.40 and 133,591,472.40 is: 200,387,208.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,930,019.60 : 314,895,029.40 = 133,591,472.40 : x
  2. Step 2: Convert to fraction form
    209,930,019.60/314,895,029.40 = 133,591,472.40/x
  3. Step 3: Cross multiply
    209,930,019.60x = 314,895,029.40 × 133,591,472.40
  4. Step 4: Simplify right side
    209,930,019.60x = 42,067,290,628,987,288
  5. Step 5: Solve for x
    x = 42,067,290,628,987,288/209,930,019.60
  6. Step 6: Final answer
    x = 200,387,208.60

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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.