Home / 53,243,831.57-79,655,609.43-40,327,190.87

Finding the Fourth Proportional to 53,243,831.57, 79,655,609.43 and 40,327,190.87

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Solution

The fourth proportional to 53,243,831.57, 79,655,609.43 and 40,327,190.87 is: 60,331,626.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,243,831.57 : 79,655,609.43 = 40,327,190.87 : x
  2. Step 2: Convert to fraction form
    53,243,831.57/79,655,609.43 = 40,327,190.87/x
  3. Step 3: Cross multiply
    53,243,831.57x = 79,655,609.43 × 40,327,190.87
  4. Step 4: Simplify right side
    53,243,831.57x = 3,212,286,964,951,504.50
  5. Step 5: Solve for x
    x = 3,212,286,964,951,504.50/53,243,831.57
  6. Step 6: Final answer
    x = 60,331,626.60

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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.