Home / 47,643,452.07-71,433,816.52-31,419,936.15

Finding the Fourth Proportional to 47,643,452.07, 71,433,816.52 and 31,419,936.15

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Solution

The fourth proportional to 47,643,452.07, 71,433,816.52 and 31,419,936.15 is: 47,109,221.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,643,452.07 : 71,433,816.52 = 31,419,936.15 : x
  2. Step 2: Convert to fraction form
    47,643,452.07/71,433,816.52 = 31,419,936.15/x
  3. Step 3: Cross multiply
    47,643,452.07x = 71,433,816.52 × 31,419,936.15
  4. Step 4: Simplify right side
    47,643,452.07x = 2,244,445,953,721,795.25
  5. Step 5: Solve for x
    x = 2,244,445,953,721,795.25/47,643,452.07
  6. Step 6: Final answer
    x = 47,109,221.86

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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.