Home / 71,940,758,844.21-99,274,314,073.97-39,381,673,899.56

Finding the Fourth Proportional to 71,940,758,844.21, 99,274,314,073.97 and 39,381,673,899.56

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Solution

The fourth proportional to 71,940,758,844.21, 99,274,314,073.97 and 39,381,673,899.56 is: 54,344,556,914.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,940,758,844.21 : 99,274,314,073.97 = 39,381,673,899.56 : x
  2. Step 2: Convert to fraction form
    71,940,758,844.21/99,274,314,073.97 = 39,381,673,899.56/x
  3. Step 3: Cross multiply
    71,940,758,844.21x = 99,274,314,073.97 × 39,381,673,899.56
  4. Step 4: Simplify right side
    71,940,758,844.21x = 3,909,588,663,462,892,929,024
  5. Step 5: Solve for x
    x = 3,909,588,663,462,892,929,024/71,940,758,844.21
  6. Step 6: Final answer
    x = 54,344,556,914.24

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1.5x scale

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.