Home / 78,460,850.64-117,650,491.92-23,121,425.46

Finding the Fourth Proportional to 78,460,850.64, 117,650,491.92 and 23,121,425.46

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Solution

The fourth proportional to 78,460,850.64, 117,650,491.92 and 23,121,425.46 is: 34,670,119.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,460,850.64 : 117,650,491.92 = 23,121,425.46 : x
  2. Step 2: Convert to fraction form
    78,460,850.64/117,650,491.92 = 23,121,425.46/x
  3. Step 3: Cross multiply
    78,460,850.64x = 117,650,491.92 × 23,121,425.46
  4. Step 4: Simplify right side
    78,460,850.64x = 2,720,247,079,260,612.50
  5. Step 5: Solve for x
    x = 2,720,247,079,260,612.50/78,460,850.64
  6. Step 6: Final answer
    x = 34,670,119.65

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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.