Home / 101,771,253.66-140,444,223.78-55,361,396.88

Finding the Fourth Proportional to 101,771,253.66, 140,444,223.78 and 55,361,396.88

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Solution

The fourth proportional to 101,771,253.66, 140,444,223.78 and 55,361,396.88 is: 76,398,669.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,771,253.66 : 140,444,223.78 = 55,361,396.88 : x
  2. Step 2: Convert to fraction form
    101,771,253.66/140,444,223.78 = 55,361,396.88/x
  3. Step 3: Cross multiply
    101,771,253.66x = 140,444,223.78 × 55,361,396.88
  4. Step 4: Simplify right side
    101,771,253.66x = 7,775,188,412,188,114
  5. Step 5: Solve for x
    x = 7,775,188,412,188,114/101,771,253.66
  6. Step 6: Final answer
    x = 76,398,669.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.