Home / 90,003,556.48-124,204,912.16-48,750,448.80

Finding the Fourth Proportional to 90,003,556.48, 124,204,912.16 and 48,750,448.80

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Solution

The fourth proportional to 90,003,556.48, 124,204,912.16 and 48,750,448.80 is: 67,275,621.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,003,556.48 : 124,204,912.16 = 48,750,448.80 : x
  2. Step 2: Convert to fraction form
    90,003,556.48/124,204,912.16 = 48,750,448.80/x
  3. Step 3: Cross multiply
    90,003,556.48x = 124,204,912.16 × 48,750,448.80
  4. Step 4: Simplify right side
    90,003,556.48x = 6,055,045,210,964,577
  5. Step 5: Solve for x
    x = 6,055,045,210,964,577/90,003,556.48
  6. Step 6: Final answer
    x = 67,275,621.63

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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.