Home / 74,163,407.80-111,245,111.70-71,476,022.20

Finding the Fourth Proportional to 74,163,407.80, 111,245,111.70 and 71,476,022.20

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Solution

The fourth proportional to 74,163,407.80, 111,245,111.70 and 71,476,022.20 is: 107,214,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,163,407.80 : 111,245,111.70 = 71,476,022.20 : x
  2. Step 2: Convert to fraction form
    74,163,407.80/111,245,111.70 = 71,476,022.20/x
  3. Step 3: Cross multiply
    74,163,407.80x = 111,245,111.70 × 71,476,022.20
  4. Step 4: Simplify right side
    74,163,407.80x = 7,951,358,073,510,680
  5. Step 5: Solve for x
    x = 7,951,358,073,510,680/74,163,407.80
  6. Step 6: Final answer
    x = 107,214,033.30

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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.