Home / 79,102,427.20-118,653,640.80-33,652,801.60

Finding the Fourth Proportional to 79,102,427.20, 118,653,640.80 and 33,652,801.60

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Solution

The fourth proportional to 79,102,427.20, 118,653,640.80 and 33,652,801.60 is: 50,479,202.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,102,427.20 : 118,653,640.80 = 33,652,801.60 : x
  2. Step 2: Convert to fraction form
    79,102,427.20/118,653,640.80 = 33,652,801.60/x
  3. Step 3: Cross multiply
    79,102,427.20x = 118,653,640.80 × 33,652,801.60
  4. Step 4: Simplify right side
    79,102,427.20x = 3,993,027,432,960,065.50
  5. Step 5: Solve for x
    x = 3,993,027,432,960,065.50/79,102,427.20
  6. Step 6: Final answer
    x = 50,479,202.40

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Similar ratio
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1.5x scale

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.