Home / 220,128,522.30-330,192,783.45-90,669,494.70

Finding the Fourth Proportional to 220,128,522.30, 330,192,783.45 and 90,669,494.70

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Solution

The fourth proportional to 220,128,522.30, 330,192,783.45 and 90,669,494.70 is: 136,004,242.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,128,522.30 : 330,192,783.45 = 90,669,494.70 : x
  2. Step 2: Convert to fraction form
    220,128,522.30/330,192,783.45 = 90,669,494.70/x
  3. Step 3: Cross multiply
    220,128,522.30x = 330,192,783.45 × 90,669,494.70
  4. Step 4: Simplify right side
    220,128,522.30x = 29,938,412,828,998,024
  5. Step 5: Solve for x
    x = 29,938,412,828,998,024/220,128,522.30
  6. Step 6: Final answer
    x = 136,004,242.05

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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.