Home / 79,236,431.80-118,854,647.70-21,734,515.60

Finding the Fourth Proportional to 79,236,431.80, 118,854,647.70 and 21,734,515.60

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Solution

The fourth proportional to 79,236,431.80, 118,854,647.70 and 21,734,515.60 is: 32,601,773.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,236,431.80 : 118,854,647.70 = 21,734,515.60 : x
  2. Step 2: Convert to fraction form
    79,236,431.80/118,854,647.70 = 21,734,515.60/x
  3. Step 3: Cross multiply
    79,236,431.80x = 118,854,647.70 × 21,734,515.60
  4. Step 4: Simplify right side
    79,236,431.80x = 2,583,248,194,568,154.50
  5. Step 5: Solve for x
    x = 2,583,248,194,568,154.50/79,236,431.80
  6. Step 6: Final answer
    x = 32,601,773.40

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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.