Home / 72,932,590.13-100,647,277.61-39,442,069.19

Finding the Fourth Proportional to 72,932,590.13, 100,647,277.61 and 39,442,069.19

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Solution

The fourth proportional to 72,932,590.13, 100,647,277.61 and 39,442,069.19 is: 54,430,219.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,932,590.13 : 100,647,277.61 = 39,442,069.19 : x
  2. Step 2: Convert to fraction form
    72,932,590.13/100,647,277.61 = 39,442,069.19/x
  3. Step 3: Cross multiply
    72,932,590.13x = 100,647,277.61 × 39,442,069.19
  4. Step 4: Simplify right side
    72,932,590.13x = 3,969,736,887,278,757.50
  5. Step 5: Solve for x
    x = 3,969,736,887,278,757.50/72,932,590.13
  6. Step 6: Final answer
    x = 54,430,219.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.