Home / 152,863,862.80-210,969,556.68-90,984,398.80

Finding the Fourth Proportional to 152,863,862.80, 210,969,556.68 and 90,984,398.80

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Solution

The fourth proportional to 152,863,862.80, 210,969,556.68 and 90,984,398.80 is: 125,568,842.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,863,862.80 : 210,969,556.68 = 90,984,398.80 : x
  2. Step 2: Convert to fraction form
    152,863,862.80/210,969,556.68 = 90,984,398.80/x
  3. Step 3: Cross multiply
    152,863,862.80x = 210,969,556.68 × 90,984,398.80
  4. Step 4: Simplify right side
    152,863,862.80x = 19,194,938,279,632,324
  5. Step 5: Solve for x
    x = 19,194,938,279,632,324/152,863,862.80
  6. Step 6: Final answer
    x = 125,568,842.29

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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.