Home / 70,481,899.98-105,826,632.24-39,418,417.53

Finding the Fourth Proportional to 70,481,899.98, 105,826,632.24 and 39,418,417.53

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Solution

The fourth proportional to 70,481,899.98, 105,826,632.24 and 39,418,417.53 is: 59,185,668.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,481,899.98 : 105,826,632.24 = 39,418,417.53 : x
  2. Step 2: Convert to fraction form
    70,481,899.98/105,826,632.24 = 39,418,417.53/x
  3. Step 3: Cross multiply
    70,481,899.98x = 105,826,632.24 × 39,418,417.53
  4. Step 4: Simplify right side
    70,481,899.98x = 4,171,518,375,430,079
  5. Step 5: Solve for x
    x = 4,171,518,375,430,079/70,481,899.98
  6. Step 6: Final answer
    x = 59,185,668.61

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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.