Home / 47,391,332.70-71,086,999.05-42,100,542.30

Finding the Fourth Proportional to 47,391,332.70, 71,086,999.05 and 42,100,542.30

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Solution

The fourth proportional to 47,391,332.70, 71,086,999.05 and 42,100,542.30 is: 63,150,813.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,391,332.70 : 71,086,999.05 = 42,100,542.30 : x
  2. Step 2: Convert to fraction form
    47,391,332.70/71,086,999.05 = 42,100,542.30/x
  3. Step 3: Cross multiply
    47,391,332.70x = 71,086,999.05 × 42,100,542.30
  4. Step 4: Simplify right side
    47,391,332.70x = 2,992,801,210,484,584.50
  5. Step 5: Solve for x
    x = 2,992,801,210,484,584.50/47,391,332.70
  6. Step 6: Final answer
    x = 63,150,813.45

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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.