Home / 54,871,289.43-75,715,419.79-30,084,953.86

Finding the Fourth Proportional to 54,871,289.43, 75,715,419.79 and 30,084,953.86

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Solution

The fourth proportional to 54,871,289.43, 75,715,419.79 and 30,084,953.86 is: 41,513,420.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,871,289.43 : 75,715,419.79 = 30,084,953.86 : x
  2. Step 2: Convert to fraction form
    54,871,289.43/75,715,419.79 = 30,084,953.86/x
  3. Step 3: Cross multiply
    54,871,289.43x = 75,715,419.79 × 30,084,953.86
  4. Step 4: Simplify right side
    54,871,289.43x = 2,277,894,910,876,618.50
  5. Step 5: Solve for x
    x = 2,277,894,910,876,618.50/54,871,289.43
  6. Step 6: Final answer
    x = 41,513,420.49

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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.