Home / 149,023,056.30-205,651,514.43-83,832,960.30

Finding the Fourth Proportional to 149,023,056.30, 205,651,514.43 and 83,832,960.30

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Solution

The fourth proportional to 149,023,056.30, 205,651,514.43 and 83,832,960.30 is: 115,689,314.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,023,056.30 : 205,651,514.43 = 83,832,960.30 : x
  2. Step 2: Convert to fraction form
    149,023,056.30/205,651,514.43 = 83,832,960.30/x
  3. Step 3: Cross multiply
    149,023,056.30x = 205,651,514.43 × 83,832,960.30
  4. Step 4: Simplify right side
    149,023,056.30x = 17,240,375,244,845,068
  5. Step 5: Solve for x
    x = 17,240,375,244,845,068/149,023,056.30
  6. Step 6: Final answer
    x = 115,689,314.61

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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.