Home / 264,239,991.60-396,359,987.40-172,406,986.80

Finding the Fourth Proportional to 264,239,991.60, 396,359,987.40 and 172,406,986.80

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Solution

The fourth proportional to 264,239,991.60, 396,359,987.40 and 172,406,986.80 is: 258,610,480.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,239,991.60 : 396,359,987.40 = 172,406,986.80 : x
  2. Step 2: Convert to fraction form
    264,239,991.60/396,359,987.40 = 172,406,986.80/x
  3. Step 3: Cross multiply
    264,239,991.60x = 396,359,987.40 × 172,406,986.80
  4. Step 4: Simplify right side
    264,239,991.60x = 68,335,231,115,719,968
  5. Step 5: Solve for x
    x = 68,335,231,115,719,968/264,239,991.60
  6. Step 6: Final answer
    x = 258,610,480.20

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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.