Home / 115,400,782.64-172,826,388.34-66,776,161.88

Finding the Fourth Proportional to 115,400,782.64, 172,826,388.34 and 66,776,161.88

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Solution

The fourth proportional to 115,400,782.64, 172,826,388.34 and 66,776,161.88 is: 100,005,239.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,400,782.64 : 172,826,388.34 = 66,776,161.88 : x
  2. Step 2: Convert to fraction form
    115,400,782.64/172,826,388.34 = 66,776,161.88/x
  3. Step 3: Cross multiply
    115,400,782.64x = 172,826,388.34 × 66,776,161.88
  4. Step 4: Simplify right side
    115,400,782.64x = 11,540,682,884,328,578
  5. Step 5: Solve for x
    x = 11,540,682,884,328,578/115,400,782.64
  6. Step 6: Final answer
    x = 100,005,239.31

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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.