Home / 47,838,364.40-71,785,396.65-20,170,546.89

Finding the Fourth Proportional to 47,838,364.40, 71,785,396.65 and 20,170,546.89

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Solution

The fourth proportional to 47,838,364.40, 71,785,396.65 and 20,170,546.89 is: 30,267,563.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,838,364.40 : 71,785,396.65 = 20,170,546.89 : x
  2. Step 2: Convert to fraction form
    47,838,364.40/71,785,396.65 = 20,170,546.89/x
  3. Step 3: Cross multiply
    47,838,364.40x = 71,785,396.65 × 20,170,546.89
  4. Step 4: Simplify right side
    47,838,364.40x = 1,447,950,709,558,171.75
  5. Step 5: Solve for x
    x = 1,447,950,709,558,171.75/47,838,364.40
  6. Step 6: Final answer
    x = 30,267,563.03

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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.