Home / 131,096,104.90-180,885,618.72-75,330,751.49

Finding the Fourth Proportional to 131,096,104.90, 180,885,618.72 and 75,330,751.49

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Solution

The fourth proportional to 131,096,104.90, 180,885,618.72 and 75,330,751.49 is: 103,940,918.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,096,104.90 : 180,885,618.72 = 75,330,751.49 : x
  2. Step 2: Convert to fraction form
    131,096,104.90/180,885,618.72 = 75,330,751.49/x
  3. Step 3: Cross multiply
    131,096,104.90x = 180,885,618.72 × 75,330,751.49
  4. Step 4: Simplify right side
    131,096,104.90x = 13,626,249,591,685,104
  5. Step 5: Solve for x
    x = 13,626,249,591,685,104/131,096,104.90
  6. Step 6: Final answer
    x = 103,940,918.78

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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.