Home / 323,947,712.20-485,964,192.30-119,619,315.40

Finding the Fourth Proportional to 323,947,712.20, 485,964,192.30 and 119,619,315.40

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Solution

The fourth proportional to 323,947,712.20, 485,964,192.30 and 119,619,315.40 is: 179,444,712.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,947,712.20 : 485,964,192.30 = 119,619,315.40 : x
  2. Step 2: Convert to fraction form
    323,947,712.20/485,964,192.30 = 119,619,315.40/x
  3. Step 3: Cross multiply
    323,947,712.20x = 485,964,192.30 × 119,619,315.40
  4. Step 4: Simplify right side
    323,947,712.20x = 58,130,703,991,839,952
  5. Step 5: Solve for x
    x = 58,130,703,991,839,952/323,947,712.20
  6. Step 6: Final answer
    x = 179,444,712.23

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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.