Home / 100,096,620.60-149,955,974.10-51,408,751.80

Finding the Fourth Proportional to 100,096,620.60, 149,955,974.10 and 51,408,751.80

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Solution

The fourth proportional to 100,096,620.60, 149,955,974.10 and 51,408,751.80 is: 77,016,081.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,096,620.60 : 149,955,974.10 = 51,408,751.80 : x
  2. Step 2: Convert to fraction form
    100,096,620.60/149,955,974.10 = 51,408,751.80/x
  3. Step 3: Cross multiply
    100,096,620.60x = 149,955,974.10 × 51,408,751.80
  4. Step 4: Simplify right side
    100,096,620.60x = 7,709,049,453,434,128
  5. Step 5: Solve for x
    x = 7,709,049,453,434,128/100,096,620.60
  6. Step 6: Final answer
    x = 77,016,081.13

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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.