Home / 53,651,308.20-80,476,962.30-42,691,813.80

Finding the Fourth Proportional to 53,651,308.20, 80,476,962.30 and 42,691,813.80

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Solution

The fourth proportional to 53,651,308.20, 80,476,962.30 and 42,691,813.80 is: 64,037,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,651,308.20 : 80,476,962.30 = 42,691,813.80 : x
  2. Step 2: Convert to fraction form
    53,651,308.20/80,476,962.30 = 42,691,813.80/x
  3. Step 3: Cross multiply
    53,651,308.20x = 80,476,962.30 × 42,691,813.80
  4. Step 4: Simplify right side
    53,651,308.20x = 3,435,707,489,701,219.50
  5. Step 5: Solve for x
    x = 3,435,707,489,701,219.50/53,651,308.20
  6. Step 6: Final answer
    x = 64,037,720.70

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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.