Home / 220,183,669.30-330,275,503.95-90,724,641.70

Finding the Fourth Proportional to 220,183,669.30, 330,275,503.95 and 90,724,641.70

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Solution

The fourth proportional to 220,183,669.30, 330,275,503.95 and 90,724,641.70 is: 136,086,962.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,183,669.30 : 330,275,503.95 = 90,724,641.70 : x
  2. Step 2: Convert to fraction form
    220,183,669.30/330,275,503.95 = 90,724,641.70/x
  3. Step 3: Cross multiply
    220,183,669.30x = 330,275,503.95 × 90,724,641.70
  4. Step 4: Simplify right side
    220,183,669.30x = 29,964,126,758,150,684
  5. Step 5: Solve for x
    x = 29,964,126,758,150,684/220,183,669.30
  6. Step 6: Final answer
    x = 136,086,962.55

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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.