Home / 53,901,120.80-80,851,681.20-41,146,536.80

Finding the Fourth Proportional to 53,901,120.80, 80,851,681.20 and 41,146,536.80

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Solution

The fourth proportional to 53,901,120.80, 80,851,681.20 and 41,146,536.80 is: 61,719,805.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,901,120.80 : 80,851,681.20 = 41,146,536.80 : x
  2. Step 2: Convert to fraction form
    53,901,120.80/80,851,681.20 = 41,146,536.80/x
  3. Step 3: Cross multiply
    53,901,120.80x = 80,851,681.20 × 41,146,536.80
  4. Step 4: Simplify right side
    53,901,120.80x = 3,326,766,675,837,668
  5. Step 5: Solve for x
    x = 3,326,766,675,837,668/53,901,120.80
  6. Step 6: Final answer
    x = 61,719,805.20

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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.