Home / 90,136,637.22-124,395,240.60-50,448,137.34

Finding the Fourth Proportional to 90,136,637.22, 124,395,240.60 and 50,448,137.34

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Solution

The fourth proportional to 90,136,637.22, 124,395,240.60 and 50,448,137.34 is: 69,622,168.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,136,637.22 : 124,395,240.60 = 50,448,137.34 : x
  2. Step 2: Convert to fraction form
    90,136,637.22/124,395,240.60 = 50,448,137.34/x
  3. Step 3: Cross multiply
    90,136,637.22x = 124,395,240.60 × 50,448,137.34
  4. Step 4: Simplify right side
    90,136,637.22x = 6,275,508,182,231,144
  5. Step 5: Solve for x
    x = 6,275,508,182,231,144/90,136,637.22
  6. Step 6: Final answer
    x = 69,622,168.92

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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.