Home / 72,501,280.44-100,060,286.60-40,716,673.64

Finding the Fourth Proportional to 72,501,280.44, 100,060,286.60 and 40,716,673.64

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Solution

The fourth proportional to 72,501,280.44, 100,060,286.60 and 40,716,673.64 is: 56,193,794.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,501,280.44 : 100,060,286.60 = 40,716,673.64 : x
  2. Step 2: Convert to fraction form
    72,501,280.44/100,060,286.60 = 40,716,673.64/x
  3. Step 3: Cross multiply
    72,501,280.44x = 100,060,286.60 × 40,716,673.64
  4. Step 4: Simplify right side
    72,501,280.44x = 4,074,122,033,817,065
  5. Step 5: Solve for x
    x = 4,074,122,033,817,065/72,501,280.44
  6. Step 6: Final answer
    x = 56,193,794.22

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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.