Home / 78,831,104.92-108,771,145.42-44,018,438.92

Finding the Fourth Proportional to 78,831,104.92, 108,771,145.42 and 44,018,438.92

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Solution

The fourth proportional to 78,831,104.92, 108,771,145.42 and 44,018,438.92 is: 60,736,634.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,831,104.92 : 108,771,145.42 = 44,018,438.92 : x
  2. Step 2: Convert to fraction form
    78,831,104.92/108,771,145.42 = 44,018,438.92/x
  3. Step 3: Cross multiply
    78,831,104.92x = 108,771,145.42 × 44,018,438.92
  4. Step 4: Simplify right side
    78,831,104.92x = 4,787,936,020,928,708
  5. Step 5: Solve for x
    x = 4,787,936,020,928,708/78,831,104.92
  6. Step 6: Final answer
    x = 60,736,634.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.