Home / 210,699,602.20-315,923,432.10-108,662,930.20

Finding the Fourth Proportional to 210,699,602.20, 315,923,432.10 and 108,662,930.20

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Solution

The fourth proportional to 210,699,602.20, 315,923,432.10 and 108,662,930.20 is: 162,929,428.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,699,602.20 : 315,923,432.10 = 108,662,930.20 : x
  2. Step 2: Convert to fraction form
    210,699,602.20/315,923,432.10 = 108,662,930.20/x
  3. Step 3: Cross multiply
    210,699,602.20x = 315,923,432.10 × 108,662,930.20
  4. Step 4: Simplify right side
    210,699,602.20x = 34,329,165,850,826,744
  5. Step 5: Solve for x
    x = 34,329,165,850,826,744/210,699,602.20
  6. Step 6: Final answer
    x = 162,929,428.88

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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.