Home / 61,721,637.88-92,517,647.82-20,766,859.60

Finding the Fourth Proportional to 61,721,637.88, 92,517,647.82 and 20,766,859.60

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Solution

The fourth proportional to 61,721,637.88, 92,517,647.82 and 20,766,859.60 is: 31,128,483.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,721,637.88 : 92,517,647.82 = 20,766,859.60 : x
  2. Step 2: Convert to fraction form
    61,721,637.88/92,517,647.82 = 20,766,859.60/x
  3. Step 3: Cross multiply
    61,721,637.88x = 92,517,647.82 × 20,766,859.60
  4. Step 4: Simplify right side
    61,721,637.88x = 1,921,301,002,800,186
  5. Step 5: Solve for x
    x = 1,921,301,002,800,186/61,721,637.88
  6. Step 6: Final answer
    x = 31,128,483.77

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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.