Home / 72,503,673.24-100,064,624.22-43,532,163.48

Finding the Fourth Proportional to 72,503,673.24, 100,064,624.22 and 43,532,163.48

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Solution

The fourth proportional to 72,503,673.24, 100,064,624.22 and 43,532,163.48 is: 60,080,122.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,503,673.24 : 100,064,624.22 = 43,532,163.48 : x
  2. Step 2: Convert to fraction form
    72,503,673.24/100,064,624.22 = 43,532,163.48/x
  3. Step 3: Cross multiply
    72,503,673.24x = 100,064,624.22 × 43,532,163.48
  4. Step 4: Simplify right side
    72,503,673.24x = 4,356,029,580,109,807
  5. Step 5: Solve for x
    x = 4,356,029,580,109,807/72,503,673.24
  6. Step 6: Final answer
    x = 60,080,122.64

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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.