Home / 72,403,480.20-108,605,220.30-41,792,478.60

Finding the Fourth Proportional to 72,403,480.20, 108,605,220.30 and 41,792,478.60

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Solution

The fourth proportional to 72,403,480.20, 108,605,220.30 and 41,792,478.60 is: 62,688,717.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,403,480.20 : 108,605,220.30 = 41,792,478.60 : x
  2. Step 2: Convert to fraction form
    72,403,480.20/108,605,220.30 = 41,792,478.60/x
  3. Step 3: Cross multiply
    72,403,480.20x = 108,605,220.30 × 41,792,478.60
  4. Step 4: Simplify right side
    72,403,480.20x = 4,538,881,345,236,036
  5. Step 5: Solve for x
    x = 4,538,881,345,236,036/72,403,480.20
  6. Step 6: Final answer
    x = 62,688,717.90

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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.