Home / 74,081,440.80-111,248,132.40-54,933,818.40

Finding the Fourth Proportional to 74,081,440.80, 111,248,132.40 and 54,933,818.40

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Solution

The fourth proportional to 74,081,440.80, 111,248,132.40 and 54,933,818.40 is: 82,494,139.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,081,440.80 : 111,248,132.40 = 54,933,818.40 : x
  2. Step 2: Convert to fraction form
    74,081,440.80/111,248,132.40 = 54,933,818.40/x
  3. Step 3: Cross multiply
    74,081,440.80x = 111,248,132.40 × 54,933,818.40
  4. Step 4: Simplify right side
    74,081,440.80x = 6,111,284,702,600,756
  5. Step 5: Solve for x
    x = 6,111,284,702,600,756/74,081,440.80
  6. Step 6: Final answer
    x = 82,494,139.38

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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.