Home / 416,993,199.80-625,526,152.49-136,790,101.89

Finding the Fourth Proportional to 416,993,199.80, 625,526,152.49 and 136,790,101.89

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Solution

The fourth proportional to 416,993,199.80, 625,526,152.49 and 136,790,101.89 is: 205,197,077.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,993,199.80 : 625,526,152.49 = 136,790,101.89 : x
  2. Step 2: Convert to fraction form
    416,993,199.80/625,526,152.49 = 136,790,101.89/x
  3. Step 3: Cross multiply
    416,993,199.80x = 625,526,152.49 × 136,790,101.89
  4. Step 4: Simplify right side
    416,993,199.80x = 85,565,786,134,308,736
  5. Step 5: Solve for x
    x = 85,565,786,134,308,736/416,993,199.80
  6. Step 6: Final answer
    x = 205,197,077.98

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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.