Home / 109,864,379.61-165,454,237.89-100,057,798.49

Finding the Fourth Proportional to 109,864,379.61, 165,454,237.89 and 100,057,798.49

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Solution

The fourth proportional to 109,864,379.61, 165,454,237.89 and 100,057,798.49 is: 150,685,662.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,864,379.61 : 165,454,237.89 = 100,057,798.49 : x
  2. Step 2: Convert to fraction form
    109,864,379.61/165,454,237.89 = 100,057,798.49/x
  3. Step 3: Cross multiply
    109,864,379.61x = 165,454,237.89 × 100,057,798.49
  4. Step 4: Simplify right side
    109,864,379.61x = 16,554,986,793,286,870
  5. Step 5: Solve for x
    x = 16,554,986,793,286,870/109,864,379.61
  6. Step 6: Final answer
    x = 150,685,662.20

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.