Home / 99,651,212.70-149,364,844.65-51,110,310.30

Finding the Fourth Proportional to 99,651,212.70, 149,364,844.65 and 51,110,310.30

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Solution

The fourth proportional to 99,651,212.70, 149,364,844.65 and 51,110,310.30 is: 76,608,034.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,651,212.70 : 149,364,844.65 = 51,110,310.30 : x
  2. Step 2: Convert to fraction form
    99,651,212.70/149,364,844.65 = 51,110,310.30/x
  3. Step 3: Cross multiply
    99,651,212.70x = 149,364,844.65 × 51,110,310.30
  4. Step 4: Simplify right side
    99,651,212.70x = 7,634,083,557,972,795
  5. Step 5: Solve for x
    x = 7,634,083,557,972,795/99,651,212.70
  6. Step 6: Final answer
    x = 76,608,034.68

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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.