Home / 171,315,526.20-256,973,289.30-90,693,958.20

Finding the Fourth Proportional to 171,315,526.20, 256,973,289.30 and 90,693,958.20

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Solution

The fourth proportional to 171,315,526.20, 256,973,289.30 and 90,693,958.20 is: 136,040,937.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,315,526.20 : 256,973,289.30 = 90,693,958.20 : x
  2. Step 2: Convert to fraction form
    171,315,526.20/256,973,289.30 = 90,693,958.20/x
  3. Step 3: Cross multiply
    171,315,526.20x = 256,973,289.30 × 90,693,958.20
  4. Step 4: Simplify right side
    171,315,526.20x = 23,305,924,758,290,708
  5. Step 5: Solve for x
    x = 23,305,924,758,290,708/171,315,526.20
  6. Step 6: Final answer
    x = 136,040,937.30

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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.