Home / 72,488,898.36-100,012,148.46-41,121,781.56

Finding the Fourth Proportional to 72,488,898.36, 100,012,148.46 and 41,121,781.56

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Solution

The fourth proportional to 72,488,898.36, 100,012,148.46 and 41,121,781.56 is: 56,735,276.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,488,898.36 : 100,012,148.46 = 41,121,781.56 : x
  2. Step 2: Convert to fraction form
    72,488,898.36/100,012,148.46 = 41,121,781.56/x
  3. Step 3: Cross multiply
    72,488,898.36x = 100,012,148.46 × 41,121,781.56
  4. Step 4: Simplify right side
    72,488,898.36x = 4,112,677,722,318,410.50
  5. Step 5: Solve for x
    x = 4,112,677,722,318,410.50/72,488,898.36
  6. Step 6: Final answer
    x = 56,735,276.92

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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.