Home / 158,640,531.62-218,945,314.98-89,029,732.23

Finding the Fourth Proportional to 158,640,531.62, 218,945,314.98 and 89,029,732.23

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Solution

The fourth proportional to 158,640,531.62, 218,945,314.98 and 89,029,732.23 is: 122,873,029.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,640,531.62 : 218,945,314.98 = 89,029,732.23 : x
  2. Step 2: Convert to fraction form
    158,640,531.62/218,945,314.98 = 89,029,732.23/x
  3. Step 3: Cross multiply
    158,640,531.62x = 218,945,314.98 × 89,029,732.23
  4. Step 4: Simplify right side
    158,640,531.62x = 19,492,642,765,682,408
  5. Step 5: Solve for x
    x = 19,492,642,765,682,408/158,640,531.62
  6. Step 6: Final answer
    x = 122,873,029.78

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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.