Home / 107,685,418.32-161,568,836.76-42,153,390.12

Finding the Fourth Proportional to 107,685,418.32, 161,568,836.76 and 42,153,390.12

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Solution

The fourth proportional to 107,685,418.32, 161,568,836.76 and 42,153,390.12 is: 63,246,020.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,685,418.32 : 161,568,836.76 = 42,153,390.12 : x
  2. Step 2: Convert to fraction form
    107,685,418.32/161,568,836.76 = 42,153,390.12/x
  3. Step 3: Cross multiply
    107,685,418.32x = 161,568,836.76 × 42,153,390.12
  4. Step 4: Simplify right side
    107,685,418.32x = 6,810,674,207,178,876
  5. Step 5: Solve for x
    x = 6,810,674,207,178,876/107,685,418.32
  6. Step 6: Final answer
    x = 63,246,020.80

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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.