Home / 248,531,791.02-372,797,489.67-66,778,969.02

Finding the Fourth Proportional to 248,531,791.02, 372,797,489.67 and 66,778,969.02

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Solution

The fourth proportional to 248,531,791.02, 372,797,489.67 and 66,778,969.02 is: 100,168,400.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,531,791.02 : 372,797,489.67 = 66,778,969.02 : x
  2. Step 2: Convert to fraction form
    248,531,791.02/372,797,489.67 = 66,778,969.02/x
  3. Step 3: Cross multiply
    248,531,791.02x = 372,797,489.67 × 66,778,969.02
  4. Step 4: Simplify right side
    248,531,791.02x = 24,895,032,013,406,704
  5. Step 5: Solve for x
    x = 24,895,032,013,406,704/248,531,791.02
  6. Step 6: Final answer
    x = 100,168,400.63

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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.