Home / 215,291,279.20-322,716,469.20-105,948,277.60

Finding the Fourth Proportional to 215,291,279.20, 322,716,469.20 and 105,948,277.60

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Solution

The fourth proportional to 215,291,279.20, 322,716,469.20 and 105,948,277.60 is: 158,813,929.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,291,279.20 : 322,716,469.20 = 105,948,277.60 : x
  2. Step 2: Convert to fraction form
    215,291,279.20/322,716,469.20 = 105,948,277.60/x
  3. Step 3: Cross multiply
    215,291,279.20x = 322,716,469.20 × 105,948,277.60
  4. Step 4: Simplify right side
    215,291,279.20x = 34,191,254,064,893,448
  5. Step 5: Solve for x
    x = 34,191,254,064,893,448/215,291,279.20
  6. Step 6: Final answer
    x = 158,813,929.63

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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.