Home / 105,469,809.40-158,204,714.10-69,568,017.40

Finding the Fourth Proportional to 105,469,809.40, 158,204,714.10 and 69,568,017.40

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Solution

The fourth proportional to 105,469,809.40, 158,204,714.10 and 69,568,017.40 is: 104,352,026.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,469,809.40 : 158,204,714.10 = 69,568,017.40 : x
  2. Step 2: Convert to fraction form
    105,469,809.40/158,204,714.10 = 69,568,017.40/x
  3. Step 3: Cross multiply
    105,469,809.40x = 158,204,714.10 × 69,568,017.40
  4. Step 4: Simplify right side
    105,469,809.40x = 11,005,988,303,270,826
  5. Step 5: Solve for x
    x = 11,005,988,303,270,826/105,469,809.40
  6. Step 6: Final answer
    x = 104,352,026.10

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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.