Home / 54,310,409.20-81,465,613.80-53,932,495.60

Finding the Fourth Proportional to 54,310,409.20, 81,465,613.80 and 53,932,495.60

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Solution

The fourth proportional to 54,310,409.20, 81,465,613.80 and 53,932,495.60 is: 80,898,743.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,310,409.20 : 81,465,613.80 = 53,932,495.60 : x
  2. Step 2: Convert to fraction form
    54,310,409.20/81,465,613.80 = 53,932,495.60/x
  3. Step 3: Cross multiply
    54,310,409.20x = 81,465,613.80 × 53,932,495.60
  4. Step 4: Simplify right side
    54,310,409.20x = 4,393,643,857,819,799
  5. Step 5: Solve for x
    x = 4,393,643,857,819,799/54,310,409.20
  6. Step 6: Final answer
    x = 80,898,743.40

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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.