Home / 78,840,407.32-118,260,610.96-24,987,719.32

Finding the Fourth Proportional to 78,840,407.32, 118,260,610.96 and 24,987,719.32

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Solution

The fourth proportional to 78,840,407.32, 118,260,610.96 and 24,987,719.32 is: 37,481,578.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,840,407.32 : 118,260,610.96 = 24,987,719.32 : x
  2. Step 2: Convert to fraction form
    78,840,407.32/118,260,610.96 = 24,987,719.32/x
  3. Step 3: Cross multiply
    78,840,407.32x = 118,260,610.96 × 24,987,719.32
  4. Step 4: Simplify right side
    78,840,407.32x = 2,955,062,953,280,195.50
  5. Step 5: Solve for x
    x = 2,955,062,953,280,195.50/78,840,407.32
  6. Step 6: Final answer
    x = 37,481,578.97

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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.