Home / 80,974,447.76-111,744,495.42-43,804,718.16

Finding the Fourth Proportional to 80,974,447.76, 111,744,495.42 and 43,804,718.16

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Solution

The fourth proportional to 80,974,447.76, 111,744,495.42 and 43,804,718.16 is: 60,450,379.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,974,447.76 : 111,744,495.42 = 43,804,718.16 : x
  2. Step 2: Convert to fraction form
    80,974,447.76/111,744,495.42 = 43,804,718.16/x
  3. Step 3: Cross multiply
    80,974,447.76x = 111,744,495.42 × 43,804,718.16
  4. Step 4: Simplify right side
    80,974,447.76x = 4,894,936,127,467,822
  5. Step 5: Solve for x
    x = 4,894,936,127,467,822/80,974,447.76
  6. Step 6: Final answer
    x = 60,450,379.88

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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.