Home / 47,838,366.84-71,785,400.31-20,170,549.34

Finding the Fourth Proportional to 47,838,366.84, 71,785,400.31 and 20,170,549.34

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Solution

The fourth proportional to 47,838,366.84, 71,785,400.31 and 20,170,549.34 is: 30,267,566.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,838,366.84 : 71,785,400.31 = 20,170,549.34 : x
  2. Step 2: Convert to fraction form
    47,838,366.84/71,785,400.31 = 20,170,549.34/x
  3. Step 3: Cross multiply
    47,838,366.84x = 71,785,400.31 × 20,170,549.34
  4. Step 4: Simplify right side
    47,838,366.84x = 1,447,950,958,844,506.25
  5. Step 5: Solve for x
    x = 1,447,950,958,844,506.25/47,838,366.84
  6. Step 6: Final answer
    x = 30,267,566.69

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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.