Home / 136,067,567.80-204,101,351.70-81,648,009.40

Finding the Fourth Proportional to 136,067,567.80, 204,101,351.70 and 81,648,009.40

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Solution

The fourth proportional to 136,067,567.80, 204,101,351.70 and 81,648,009.40 is: 122,472,014.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,067,567.80 : 204,101,351.70 = 81,648,009.40 : x
  2. Step 2: Convert to fraction form
    136,067,567.80/204,101,351.70 = 81,648,009.40/x
  3. Step 3: Cross multiply
    136,067,567.80x = 204,101,351.70 × 81,648,009.40
  4. Step 4: Simplify right side
    136,067,567.80x = 16,664,469,082,154,306
  5. Step 5: Solve for x
    x = 16,664,469,082,154,306/136,067,567.80
  6. Step 6: Final answer
    x = 122,472,014.10

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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.