Home / 47,391,329.70-71,086,994.55-42,100,539.30

Finding the Fourth Proportional to 47,391,329.70, 71,086,994.55 and 42,100,539.30

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Solution

The fourth proportional to 47,391,329.70, 71,086,994.55 and 42,100,539.30 is: 63,150,808.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,391,329.70 : 71,086,994.55 = 42,100,539.30 : x
  2. Step 2: Convert to fraction form
    47,391,329.70/71,086,994.55 = 42,100,539.30/x
  3. Step 3: Cross multiply
    47,391,329.70x = 71,086,994.55 × 42,100,539.30
  4. Step 4: Simplify right side
    47,391,329.70x = 2,992,800,807,771,160.50
  5. Step 5: Solve for x
    x = 2,992,800,807,771,160.50/47,391,329.70
  6. Step 6: Final answer
    x = 63,150,808.95

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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.