Home / 70,481,899.94-105,826,632.48-39,418,417.56

Finding the Fourth Proportional to 70,481,899.94, 105,826,632.48 and 39,418,417.56

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Solution

The fourth proportional to 70,481,899.94, 105,826,632.48 and 39,418,417.56 is: 59,185,668.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,481,899.94 : 105,826,632.48 = 39,418,417.56 : x
  2. Step 2: Convert to fraction form
    70,481,899.94/105,826,632.48 = 39,418,417.56/x
  3. Step 3: Cross multiply
    70,481,899.94x = 105,826,632.48 × 39,418,417.56
  4. Step 4: Simplify right side
    70,481,899.94x = 4,171,518,388,065,299
  5. Step 5: Solve for x
    x = 4,171,518,388,065,299/70,481,899.94
  6. Step 6: Final answer
    x = 59,185,668.83

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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.