Home / 47,780,130.80-65,942,189.16-27,156,677.06

Finding the Fourth Proportional to 47,780,130.80, 65,942,189.16 and 27,156,677.06

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Solution

The fourth proportional to 47,780,130.80, 65,942,189.16 and 27,156,677.06 is: 37,479,402.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,780,130.80 : 65,942,189.16 = 27,156,677.06 : x
  2. Step 2: Convert to fraction form
    47,780,130.80/65,942,189.16 = 27,156,677.06/x
  3. Step 3: Cross multiply
    47,780,130.80x = 65,942,189.16 × 27,156,677.06
  4. Step 4: Simplify right side
    47,780,130.80x = 1,790,770,735,647,552.50
  5. Step 5: Solve for x
    x = 1,790,770,735,647,552.50/47,780,130.80
  6. Step 6: Final answer
    x = 37,479,402.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.