Home / 71,160,359.18-106,749,176.20-20,042,377.97

Finding the Fourth Proportional to 71,160,359.18, 106,749,176.20 and 20,042,377.97

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Solution

The fourth proportional to 71,160,359.18, 106,749,176.20 and 20,042,377.97 is: 30,065,999.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,160,359.18 : 106,749,176.20 = 20,042,377.97 : x
  2. Step 2: Convert to fraction form
    71,160,359.18/106,749,176.20 = 20,042,377.97/x
  3. Step 3: Cross multiply
    71,160,359.18x = 106,749,176.20 × 20,042,377.97
  4. Step 4: Simplify right side
    71,160,359.18x = 2,139,507,336,802,676.50
  5. Step 5: Solve for x
    x = 2,139,507,336,802,676.50/71,160,359.18
  6. Step 6: Final answer
    x = 30,065,999.69

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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.