Home / 72,932,589.13-100,647,276.23-39,442,068.19

Finding the Fourth Proportional to 72,932,589.13, 100,647,276.23 and 39,442,068.19

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Solution

The fourth proportional to 72,932,589.13, 100,647,276.23 and 39,442,068.19 is: 54,430,218.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,932,589.13 : 100,647,276.23 = 39,442,068.19 : x
  2. Step 2: Convert to fraction form
    72,932,589.13/100,647,276.23 = 39,442,068.19/x
  3. Step 3: Cross multiply
    72,932,589.13x = 100,647,276.23 × 39,442,068.19
  4. Step 4: Simplify right side
    72,932,589.13x = 3,969,736,731,698,190
  5. Step 5: Solve for x
    x = 3,969,736,731,698,190/72,932,589.13
  6. Step 6: Final answer
    x = 54,430,218.09

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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.