Home / 61,539,493.80-92,314,128.66-20,599,149.06

Finding the Fourth Proportional to 61,539,493.80, 92,314,128.66 and 20,599,149.06

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Solution

The fourth proportional to 61,539,493.80, 92,314,128.66 and 20,599,149.06 is: 30,900,359.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,539,493.80 : 92,314,128.66 = 20,599,149.06 : x
  2. Step 2: Convert to fraction form
    61,539,493.80/92,314,128.66 = 20,599,149.06/x
  3. Step 3: Cross multiply
    61,539,493.80x = 92,314,128.66 × 20,599,149.06
  4. Step 4: Simplify right side
    61,539,493.80x = 1,901,592,496,611,357.75
  5. Step 5: Solve for x
    x = 1,901,592,496,611,357.75/61,539,493.80
  6. Step 6: Final answer
    x = 30,900,359.74

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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.