Home / 65,766,745.60-98,650,118.40-20,333,132.80

Finding the Fourth Proportional to 65,766,745.60, 98,650,118.40 and 20,333,132.80

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Solution

The fourth proportional to 65,766,745.60, 98,650,118.40 and 20,333,132.80 is: 30,499,699.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,766,745.60 : 98,650,118.40 = 20,333,132.80 : x
  2. Step 2: Convert to fraction form
    65,766,745.60/98,650,118.40 = 20,333,132.80/x
  3. Step 3: Cross multiply
    65,766,745.60x = 98,650,118.40 × 20,333,132.80
  4. Step 4: Simplify right side
    65,766,745.60x = 2,005,865,958,162,923.75
  5. Step 5: Solve for x
    x = 2,005,865,958,162,923.75/65,766,745.60
  6. Step 6: Final answer
    x = 30,499,699.20

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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.