Home / 138,828,745.44-208,260,536.40-41,769,335.52

Finding the Fourth Proportional to 138,828,745.44, 208,260,536.40 and 41,769,335.52

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Solution

The fourth proportional to 138,828,745.44, 208,260,536.40 and 41,769,335.52 is: 62,659,243.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,828,745.44 : 208,260,536.40 = 41,769,335.52 : x
  2. Step 2: Convert to fraction form
    138,828,745.44/208,260,536.40 = 41,769,335.52/x
  3. Step 3: Cross multiply
    138,828,745.44x = 208,260,536.40 × 41,769,335.52
  4. Step 4: Simplify right side
    138,828,745.44x = 8,698,904,220,466,774
  5. Step 5: Solve for x
    x = 8,698,904,220,466,774/138,828,745.44
  6. Step 6: Final answer
    x = 62,659,243.90

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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.