Home / 220,151,721.80-330,227,582.70-90,692,694.20

Finding the Fourth Proportional to 220,151,721.80, 330,227,582.70 and 90,692,694.20

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Solution

The fourth proportional to 220,151,721.80, 330,227,582.70 and 90,692,694.20 is: 136,039,041.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,151,721.80 : 330,227,582.70 = 90,692,694.20 : x
  2. Step 2: Convert to fraction form
    220,151,721.80/330,227,582.70 = 90,692,694.20/x
  3. Step 3: Cross multiply
    220,151,721.80x = 330,227,582.70 × 90,692,694.20
  4. Step 4: Simplify right side
    220,151,721.80x = 29,949,229,174,216,312
  5. Step 5: Solve for x
    x = 29,949,229,174,216,312/220,151,721.80
  6. Step 6: Final answer
    x = 136,039,041.30

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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.