Home / 70,481,908.39-105,826,645.14-39,418,426.03

Finding the Fourth Proportional to 70,481,908.39, 105,826,645.14 and 39,418,426.03

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Solution

The fourth proportional to 70,481,908.39, 105,826,645.14 and 39,418,426.03 is: 59,185,681.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,481,908.39 : 105,826,645.14 = 39,418,426.03 : x
  2. Step 2: Convert to fraction form
    70,481,908.39/105,826,645.14 = 39,418,426.03/x
  3. Step 3: Cross multiply
    70,481,908.39x = 105,826,645.14 × 39,418,426.03
  4. Step 4: Simplify right side
    70,481,908.39x = 4,171,519,783,454,149
  5. Step 5: Solve for x
    x = 4,171,519,783,454,149/70,481,908.39
  6. Step 6: Final answer
    x = 59,185,681.53

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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.