Home / 323,947,711.20-485,964,190.80-119,619,314.40

Finding the Fourth Proportional to 323,947,711.20, 485,964,190.80 and 119,619,314.40

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Solution

The fourth proportional to 323,947,711.20, 485,964,190.80 and 119,619,314.40 is: 179,444,710.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,947,711.20 : 485,964,190.80 = 119,619,314.40 : x
  2. Step 2: Convert to fraction form
    323,947,711.20/485,964,190.80 = 119,619,314.40/x
  3. Step 3: Cross multiply
    323,947,711.20x = 485,964,190.80 × 119,619,314.40
  4. Step 4: Simplify right side
    323,947,711.20x = 58,130,703,326,446,792
  5. Step 5: Solve for x
    x = 58,130,703,326,446,792/323,947,711.20
  6. Step 6: Final answer
    x = 179,444,710.73

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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.