Home / 74,917,795-112,376,736.24-21,065,107

Finding the Fourth Proportional to 74,917,795, 112,376,736.24 and 21,065,107

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Solution

The fourth proportional to 74,917,795, 112,376,736.24 and 21,065,107 is: 31,597,672.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,917,795 : 112,376,736.24 = 21,065,107 : x
  2. Step 2: Convert to fraction form
    74,917,795/112,376,736.24 = 21,065,107/x
  3. Step 3: Cross multiply
    74,917,795x = 112,376,736.24 × 21,065,107
  4. Step 4: Simplify right side
    74,917,795x = 2,367,227,973,206,377.50
  5. Step 5: Solve for x
    x = 2,367,227,973,206,377.50/74,917,795
  6. Step 6: Final answer
    x = 31,597,672.80

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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.