Home / 90,758,822.70-136,150,675.65-30,168,230.70

Finding the Fourth Proportional to 90,758,822.70, 136,150,675.65 and 30,168,230.70

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Solution

The fourth proportional to 90,758,822.70, 136,150,675.65 and 30,168,230.70 is: 45,256,481.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,758,822.70 : 136,150,675.65 = 30,168,230.70 : x
  2. Step 2: Convert to fraction form
    90,758,822.70/136,150,675.65 = 30,168,230.70/x
  3. Step 3: Cross multiply
    90,758,822.70x = 136,150,675.65 × 30,168,230.70
  4. Step 4: Simplify right side
    90,758,822.70x = 4,107,424,992,970,072.50
  5. Step 5: Solve for x
    x = 4,107,424,992,970,072.50/90,758,822.70
  6. Step 6: Final answer
    x = 45,256,481.64

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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.