Home / 210,377,716.80-315,566,575.20-172,113,964.80

Finding the Fourth Proportional to 210,377,716.80, 315,566,575.20 and 172,113,964.80

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Solution

The fourth proportional to 210,377,716.80, 315,566,575.20 and 172,113,964.80 is: 258,170,947.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,377,716.80 : 315,566,575.20 = 172,113,964.80 : x
  2. Step 2: Convert to fraction form
    210,377,716.80/315,566,575.20 = 172,113,964.80/x
  3. Step 3: Cross multiply
    210,377,716.80x = 315,566,575.20 × 172,113,964.80
  4. Step 4: Simplify right side
    210,377,716.80x = 54,313,414,416,029,352
  5. Step 5: Solve for x
    x = 54,313,414,416,029,352/210,377,716.80
  6. Step 6: Final answer
    x = 258,170,947.20

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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.