Home / 79,792,012.40-119,741,162.70-36,639,003.20

Finding the Fourth Proportional to 79,792,012.40, 119,741,162.70 and 36,639,003.20

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Solution

The fourth proportional to 79,792,012.40, 119,741,162.70 and 36,639,003.20 is: 54,982,907.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,792,012.40 : 119,741,162.70 = 36,639,003.20 : x
  2. Step 2: Convert to fraction form
    79,792,012.40/119,741,162.70 = 36,639,003.20/x
  3. Step 3: Cross multiply
    79,792,012.40x = 119,741,162.70 × 36,639,003.20
  4. Step 4: Simplify right side
    79,792,012.40x = 4,387,196,843,337,021
  5. Step 5: Solve for x
    x = 4,387,196,843,337,021/79,792,012.40
  6. Step 6: Final answer
    x = 54,982,907.58

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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.