Home / 76,944,007.20-115,583,972.40-54,269,191.20

Finding the Fourth Proportional to 76,944,007.20, 115,583,972.40 and 54,269,191.20

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Solution

The fourth proportional to 76,944,007.20, 115,583,972.40 and 54,269,191.20 is: 81,522,251.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,944,007.20 : 115,583,972.40 = 54,269,191.20 : x
  2. Step 2: Convert to fraction form
    76,944,007.20/115,583,972.40 = 54,269,191.20/x
  3. Step 3: Cross multiply
    76,944,007.20x = 115,583,972.40 × 54,269,191.20
  4. Step 4: Simplify right side
    76,944,007.20x = 6,272,648,697,831,124
  5. Step 5: Solve for x
    x = 6,272,648,697,831,124/76,944,007.20
  6. Step 6: Final answer
    x = 81,522,251.39

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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.