Home / 67,422,065.40-101,133,098.10-21,983,859.90

Finding the Fourth Proportional to 67,422,065.40, 101,133,098.10 and 21,983,859.90

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Solution

The fourth proportional to 67,422,065.40, 101,133,098.10 and 21,983,859.90 is: 32,975,789.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,422,065.40 : 101,133,098.10 = 21,983,859.90 : x
  2. Step 2: Convert to fraction form
    67,422,065.40/101,133,098.10 = 21,983,859.90/x
  3. Step 3: Cross multiply
    67,422,065.40x = 101,133,098.10 × 21,983,859.90
  4. Step 4: Simplify right side
    67,422,065.40x = 2,223,295,859,883,356
  5. Step 5: Solve for x
    x = 2,223,295,859,883,356/67,422,065.40
  6. Step 6: Final answer
    x = 32,975,789.85

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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.