Home / 61,317,542.61-91,942,104.40-20,354,736.13

Finding the Fourth Proportional to 61,317,542.61, 91,942,104.40 and 20,354,736.13

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Solution

The fourth proportional to 61,317,542.61, 91,942,104.40 and 20,354,736.13 is: 30,520,748.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,317,542.61 : 91,942,104.40 = 20,354,736.13 : x
  2. Step 2: Convert to fraction form
    61,317,542.61/91,942,104.40 = 20,354,736.13/x
  3. Step 3: Cross multiply
    61,317,542.61x = 91,942,104.40 × 20,354,736.13
  4. Step 4: Simplify right side
    61,317,542.61x = 1,871,457,274,197,138
  5. Step 5: Solve for x
    x = 1,871,457,274,197,138/61,317,542.61
  6. Step 6: Final answer
    x = 30,520,748.13

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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.