Home / 60,678,032.20-91,017,048.30-20,288,516.20

Finding the Fourth Proportional to 60,678,032.20, 91,017,048.30 and 20,288,516.20

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Solution

The fourth proportional to 60,678,032.20, 91,017,048.30 and 20,288,516.20 is: 30,432,774.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,678,032.20 : 91,017,048.30 = 20,288,516.20 : x
  2. Step 2: Convert to fraction form
    60,678,032.20/91,017,048.30 = 20,288,516.20/x
  3. Step 3: Cross multiply
    60,678,032.20x = 91,017,048.30 × 20,288,516.20
  4. Step 4: Simplify right side
    60,678,032.20x = 1,846,600,858,910,732.25
  5. Step 5: Solve for x
    x = 1,846,600,858,910,732.25/60,678,032.20
  6. Step 6: Final answer
    x = 30,432,774.30

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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.