Home / 272,510,860.22-408,615,055.77-90,658,766.78

Finding the Fourth Proportional to 272,510,860.22, 408,615,055.77 and 90,658,766.78

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Solution

The fourth proportional to 272,510,860.22, 408,615,055.77 and 90,658,766.78 is: 135,937,837.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,510,860.22 : 408,615,055.77 = 90,658,766.78 : x
  2. Step 2: Convert to fraction form
    272,510,860.22/408,615,055.77 = 90,658,766.78/x
  3. Step 3: Cross multiply
    272,510,860.22x = 408,615,055.77 × 90,658,766.78
  4. Step 4: Simplify right side
    272,510,860.22x = 37,044,537,043,849,120
  5. Step 5: Solve for x
    x = 37,044,537,043,849,120/272,510,860.22
  6. Step 6: Final answer
    x = 135,937,837.54

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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.