Home / 72,608,804.60-100,200,167.91-39,569,062.95

Finding the Fourth Proportional to 72,608,804.60, 100,200,167.91 and 39,569,062.95

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Solution

The fourth proportional to 72,608,804.60, 100,200,167.91 and 39,569,062.95 is: 54,605,316.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,608,804.60 : 100,200,167.91 = 39,569,062.95 : x
  2. Step 2: Convert to fraction form
    72,608,804.60/100,200,167.91 = 39,569,062.95/x
  3. Step 3: Cross multiply
    72,608,804.60x = 100,200,167.91 × 39,569,062.95
  4. Step 4: Simplify right side
    72,608,804.60x = 3,964,826,751,631,360
  5. Step 5: Solve for x
    x = 3,964,826,751,631,360/72,608,804.60
  6. Step 6: Final answer
    x = 54,605,316.45

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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.