Home / 70,067,751.18-105,101,633.25-20,884,366.50

Finding the Fourth Proportional to 70,067,751.18, 105,101,633.25 and 20,884,366.50

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Solution

The fourth proportional to 70,067,751.18, 105,101,633.25 and 20,884,366.50 is: 31,326,551.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,067,751.18 : 105,101,633.25 = 20,884,366.50 : x
  2. Step 2: Convert to fraction form
    70,067,751.18/105,101,633.25 = 20,884,366.50/x
  3. Step 3: Cross multiply
    70,067,751.18x = 105,101,633.25 × 20,884,366.50
  4. Step 4: Simplify right side
    70,067,751.18x = 2,194,981,028,541,586
  5. Step 5: Solve for x
    x = 2,194,981,028,541,586/70,067,751.18
  6. Step 6: Final answer
    x = 31,326,551.68

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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.