Home / 68,172,860.80-102,259,291.20-46,649,500.30

Finding the Fourth Proportional to 68,172,860.80, 102,259,291.20 and 46,649,500.30

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Solution

The fourth proportional to 68,172,860.80, 102,259,291.20 and 46,649,500.30 is: 69,974,250.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,172,860.80 : 102,259,291.20 = 46,649,500.30 : x
  2. Step 2: Convert to fraction form
    68,172,860.80/102,259,291.20 = 46,649,500.30/x
  3. Step 3: Cross multiply
    68,172,860.80x = 102,259,291.20 × 46,649,500.30
  4. Step 4: Simplify right side
    68,172,860.80x = 4,770,344,835,512,187
  5. Step 5: Solve for x
    x = 4,770,344,835,512,187/68,172,860.80
  6. Step 6: Final answer
    x = 69,974,250.45

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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.