Home / 57,929,198.19-79,943,112.32-31,826,128.47

Finding the Fourth Proportional to 57,929,198.19, 79,943,112.32 and 31,826,128.47

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Solution

The fourth proportional to 57,929,198.19, 79,943,112.32 and 31,826,128.47 is: 43,920,507.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,929,198.19 : 79,943,112.32 = 31,826,128.47 : x
  2. Step 2: Convert to fraction form
    57,929,198.19/79,943,112.32 = 31,826,128.47/x
  3. Step 3: Cross multiply
    57,929,198.19x = 79,943,112.32 × 31,826,128.47
  4. Step 4: Simplify right side
    57,929,198.19x = 2,544,279,762,987,959.50
  5. Step 5: Solve for x
    x = 2,544,279,762,987,959.50/57,929,198.19
  6. Step 6: Final answer
    x = 43,920,507.14

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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.