Home / 70,124,863.50-96,770,455.30-39,185,287.02

Finding the Fourth Proportional to 70,124,863.50, 96,770,455.30 and 39,185,287.02

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Solution

The fourth proportional to 70,124,863.50, 96,770,455.30 and 39,185,287.02 is: 54,074,658.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,124,863.50 : 96,770,455.30 = 39,185,287.02 : x
  2. Step 2: Convert to fraction form
    70,124,863.50/96,770,455.30 = 39,185,287.02/x
  3. Step 3: Cross multiply
    70,124,863.50x = 96,770,455.30 × 39,185,287.02
  4. Step 4: Simplify right side
    70,124,863.50x = 3,791,978,065,986,580.50
  5. Step 5: Solve for x
    x = 3,791,978,065,986,580.50/70,124,863.50
  6. Step 6: Final answer
    x = 54,074,658.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.