Home / 56,155,949.22-84,178,122.42-39,080,749.86

Finding the Fourth Proportional to 56,155,949.22, 84,178,122.42 and 39,080,749.86

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Solution

The fourth proportional to 56,155,949.22, 84,178,122.42 and 39,080,749.86 is: 58,582,290.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,155,949.22 : 84,178,122.42 = 39,080,749.86 : x
  2. Step 2: Convert to fraction form
    56,155,949.22/84,178,122.42 = 39,080,749.86/x
  3. Step 3: Cross multiply
    56,155,949.22x = 84,178,122.42 × 39,080,749.86
  4. Step 4: Simplify right side
    56,155,949.22x = 3,289,744,145,980,478
  5. Step 5: Solve for x
    x = 3,289,744,145,980,478/56,155,949.22
  6. Step 6: Final answer
    x = 58,582,290.78

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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.