Home / 115,965,892.23-173,570,326.92-85,252,334.91

Finding the Fourth Proportional to 115,965,892.23, 173,570,326.92 and 85,252,334.91

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Solution

The fourth proportional to 115,965,892.23, 173,570,326.92 and 85,252,334.91 is: 127,600,239.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,965,892.23 : 173,570,326.92 = 85,252,334.91 : x
  2. Step 2: Convert to fraction form
    115,965,892.23/173,570,326.92 = 85,252,334.91/x
  3. Step 3: Cross multiply
    115,965,892.23x = 173,570,326.92 × 85,252,334.91
  4. Step 4: Simplify right side
    115,965,892.23x = 14,797,275,641,022,028
  5. Step 5: Solve for x
    x = 14,797,275,641,022,028/115,965,892.23
  6. Step 6: Final answer
    x = 127,600,239.66

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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.