Home / 43,135,576.35-64,735,499.79-31,650,721.35

Finding the Fourth Proportional to 43,135,576.35, 64,735,499.79 and 31,650,721.35

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Solution

The fourth proportional to 43,135,576.35, 64,735,499.79 and 31,650,721.35 is: 47,499,661.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,135,576.35 : 64,735,499.79 = 31,650,721.35 : x
  2. Step 2: Convert to fraction form
    43,135,576.35/64,735,499.79 = 31,650,721.35/x
  3. Step 3: Cross multiply
    43,135,576.35x = 64,735,499.79 × 31,650,721.35
  4. Step 4: Simplify right side
    43,135,576.35x = 2,048,925,265,306,273.50
  5. Step 5: Solve for x
    x = 2,048,925,265,306,273.50/43,135,576.35
  6. Step 6: Final answer
    x = 47,499,661.27

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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.