Home / 115,087,405.70-172,347,673.35-54,432,272.90

Finding the Fourth Proportional to 115,087,405.70, 172,347,673.35 and 54,432,272.90

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Solution

The fourth proportional to 115,087,405.70, 172,347,673.35 and 54,432,272.90 is: 81,514,354.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,087,405.70 : 172,347,673.35 = 54,432,272.90 : x
  2. Step 2: Convert to fraction form
    115,087,405.70/172,347,673.35 = 54,432,272.90/x
  3. Step 3: Cross multiply
    115,087,405.70x = 172,347,673.35 × 54,432,272.90
  4. Step 4: Simplify right side
    115,087,405.70x = 9,381,275,589,467,256
  5. Step 5: Solve for x
    x = 9,381,275,589,467,256/115,087,405.70
  6. Step 6: Final answer
    x = 81,514,354.52

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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.