Home / 115,272,854.22-172,632,218.40-65,939,137.32

Finding the Fourth Proportional to 115,272,854.22, 172,632,218.40 and 65,939,137.32

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Solution

The fourth proportional to 115,272,854.22, 172,632,218.40 and 65,939,137.32 is: 98,750,218.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,272,854.22 : 172,632,218.40 = 65,939,137.32 : x
  2. Step 2: Convert to fraction form
    115,272,854.22/172,632,218.40 = 65,939,137.32/x
  3. Step 3: Cross multiply
    115,272,854.22x = 172,632,218.40 × 65,939,137.32
  4. Step 4: Simplify right side
    115,272,854.22x = 11,383,219,554,933,832
  5. Step 5: Solve for x
    x = 11,383,219,554,933,832/115,272,854.22
  6. Step 6: Final answer
    x = 98,750,218.62

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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.