Home / 119,799,725.20-179,699,587.80-115,096,800.40

Finding the Fourth Proportional to 119,799,725.20, 179,699,587.80 and 115,096,800.40

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Solution

The fourth proportional to 119,799,725.20, 179,699,587.80 and 115,096,800.40 is: 172,645,200.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,799,725.20 : 179,699,587.80 = 115,096,800.40 : x
  2. Step 2: Convert to fraction form
    119,799,725.20/179,699,587.80 = 115,096,800.40/x
  3. Step 3: Cross multiply
    119,799,725.20x = 179,699,587.80 × 115,096,800.40
  4. Step 4: Simplify right side
    119,799,725.20x = 20,682,847,588,978,876
  5. Step 5: Solve for x
    x = 20,682,847,588,978,876/119,799,725.20
  6. Step 6: Final answer
    x = 172,645,200.60

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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.