Home / 99,146,844.56-136,780,199.04-61,912,481.60

Finding the Fourth Proportional to 99,146,844.56, 136,780,199.04 and 61,912,481.60

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Solution

The fourth proportional to 99,146,844.56, 136,780,199.04 and 61,912,481.60 is: 85,412,718.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,146,844.56 : 136,780,199.04 = 61,912,481.60 : x
  2. Step 2: Convert to fraction form
    99,146,844.56/136,780,199.04 = 61,912,481.60/x
  3. Step 3: Cross multiply
    99,146,844.56x = 136,780,199.04 × 61,912,481.60
  4. Step 4: Simplify right side
    99,146,844.56x = 8,468,401,556,308,337
  5. Step 5: Solve for x
    x = 8,468,401,556,308,337/99,146,844.56
  6. Step 6: Final answer
    x = 85,412,718.82

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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.