Home / 202,070,540.80-278,857,401.84-111,544,086.52

Finding the Fourth Proportional to 202,070,540.80, 278,857,401.84 and 111,544,086.52

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Solution

The fourth proportional to 202,070,540.80, 278,857,401.84 and 111,544,086.52 is: 153,930,870.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,070,540.80 : 278,857,401.84 = 111,544,086.52 : x
  2. Step 2: Convert to fraction form
    202,070,540.80/278,857,401.84 = 111,544,086.52/x
  3. Step 3: Cross multiply
    202,070,540.80x = 278,857,401.84 × 111,544,086.52
  4. Step 4: Simplify right side
    202,070,540.80x = 31,104,894,157,583,364
  5. Step 5: Solve for x
    x = 31,104,894,157,583,364/202,070,540.80
  6. Step 6: Final answer
    x = 153,930,870.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.