Home / 87,999,198.10-121,445,031.37-58,178,034.47

Finding the Fourth Proportional to 87,999,198.10, 121,445,031.37 and 58,178,034.47

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Solution

The fourth proportional to 87,999,198.10, 121,445,031.37 and 58,178,034.47 is: 80,289,745.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,999,198.10 : 121,445,031.37 = 58,178,034.47 : x
  2. Step 2: Convert to fraction form
    87,999,198.10/121,445,031.37 = 58,178,034.47/x
  3. Step 3: Cross multiply
    87,999,198.10x = 121,445,031.37 × 58,178,034.47
  4. Step 4: Simplify right side
    87,999,198.10x = 7,065,433,221,254,091
  5. Step 5: Solve for x
    x = 7,065,433,221,254,091/87,999,198.10
  6. Step 6: Final answer
    x = 80,289,745.52

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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.