Home / 72,834,667.48-100,510,650.66-39,794,203.72

Finding the Fourth Proportional to 72,834,667.48, 100,510,650.66 and 39,794,203.72

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Solution

The fourth proportional to 72,834,667.48, 100,510,650.66 and 39,794,203.72 is: 54,915,350.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,834,667.48 : 100,510,650.66 = 39,794,203.72 : x
  2. Step 2: Convert to fraction form
    72,834,667.48/100,510,650.66 = 39,794,203.72/x
  3. Step 3: Cross multiply
    72,834,667.48x = 100,510,650.66 × 39,794,203.72
  4. Step 4: Simplify right side
    72,834,667.48x = 3,999,741,308,393,792
  5. Step 5: Solve for x
    x = 3,999,741,308,393,792/72,834,667.48
  6. Step 6: Final answer
    x = 54,915,350.71

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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.