Home / 72,972,147.24-100,810,942.56-47,913,707.70

Finding the Fourth Proportional to 72,972,147.24, 100,810,942.56 and 47,913,707.70

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Solution

The fourth proportional to 72,972,147.24, 100,810,942.56 and 47,913,707.70 is: 66,192,735.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,972,147.24 : 100,810,942.56 = 47,913,707.70 : x
  2. Step 2: Convert to fraction form
    72,972,147.24/100,810,942.56 = 47,913,707.70/x
  3. Step 3: Cross multiply
    72,972,147.24x = 100,810,942.56 × 47,913,707.70
  4. Step 4: Simplify right side
    72,972,147.24x = 4,830,226,034,781,330
  5. Step 5: Solve for x
    x = 4,830,226,034,781,330/72,972,147.24
  6. Step 6: Final answer
    x = 66,192,735.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.