Home / 77,057,894.12-106,344,671.46-42,719,078.12

Finding the Fourth Proportional to 77,057,894.12, 106,344,671.46 and 42,719,078.12

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Solution

The fourth proportional to 77,057,894.12, 106,344,671.46 and 42,719,078.12 is: 58,954,976.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,057,894.12 : 106,344,671.46 = 42,719,078.12 : x
  2. Step 2: Convert to fraction form
    77,057,894.12/106,344,671.46 = 42,719,078.12/x
  3. Step 3: Cross multiply
    77,057,894.12x = 106,344,671.46 × 42,719,078.12
  4. Step 4: Simplify right side
    77,057,894.12x = 4,542,946,327,745,474
  5. Step 5: Solve for x
    x = 4,542,946,327,745,474/77,057,894.12
  6. Step 6: Final answer
    x = 58,954,976.38

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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.