Home / 54,871,290.43-75,715,421.17-30,084,954.86

Finding the Fourth Proportional to 54,871,290.43, 75,715,421.17 and 30,084,954.86

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Solution

The fourth proportional to 54,871,290.43, 75,715,421.17 and 30,084,954.86 is: 41,513,421.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,871,290.43 : 75,715,421.17 = 30,084,954.86 : x
  2. Step 2: Convert to fraction form
    54,871,290.43/75,715,421.17 = 30,084,954.86/x
  3. Step 3: Cross multiply
    54,871,290.43x = 75,715,421.17 × 30,084,954.86
  4. Step 4: Simplify right side
    54,871,290.43x = 2,277,895,028,105,338.50
  5. Step 5: Solve for x
    x = 2,277,895,028,105,338.50/54,871,290.43
  6. Step 6: Final answer
    x = 41,513,421.87

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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.