Home / 323,947,378.20-485,963,691.30-119,618,981.40

Finding the Fourth Proportional to 323,947,378.20, 485,963,691.30 and 119,618,981.40

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Solution

The fourth proportional to 323,947,378.20, 485,963,691.30 and 119,618,981.40 is: 179,444,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,947,378.20 : 485,963,691.30 = 119,618,981.40 : x
  2. Step 2: Convert to fraction form
    323,947,378.20/485,963,691.30 = 119,618,981.40/x
  3. Step 3: Cross multiply
    323,947,378.20x = 485,963,691.30 × 119,618,981.40
  4. Step 4: Simplify right side
    323,947,378.20x = 58,130,481,750,690,048
  5. Step 5: Solve for x
    x = 58,130,481,750,690,048/323,947,378.20
  6. Step 6: Final answer
    x = 179,444,211.20

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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.