Home / 220,183,666.80-330,275,500.20-90,724,639.20

Finding the Fourth Proportional to 220,183,666.80, 330,275,500.20 and 90,724,639.20

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Solution

The fourth proportional to 220,183,666.80, 330,275,500.20 and 90,724,639.20 is: 136,086,958.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,183,666.80 : 330,275,500.20 = 90,724,639.20 : x
  2. Step 2: Convert to fraction form
    220,183,666.80/330,275,500.20 = 90,724,639.20/x
  3. Step 3: Cross multiply
    220,183,666.80x = 330,275,500.20 × 90,724,639.20
  4. Step 4: Simplify right side
    220,183,666.80x = 29,964,125,592,244,528
  5. Step 5: Solve for x
    x = 29,964,125,592,244,528/220,183,666.80
  6. Step 6: Final answer
    x = 136,086,958.80

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1.5x scale

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.