Home / 51,988,400.70-78,150,562.65-47,957,322.30

Finding the Fourth Proportional to 51,988,400.70, 78,150,562.65 and 47,957,322.30

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Solution

The fourth proportional to 51,988,400.70, 78,150,562.65 and 47,957,322.30 is: 72,090,921.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,988,400.70 : 78,150,562.65 = 47,957,322.30 : x
  2. Step 2: Convert to fraction form
    51,988,400.70/78,150,562.65 = 47,957,322.30/x
  3. Step 3: Cross multiply
    51,988,400.70x = 78,150,562.65 × 47,957,322.30
  4. Step 4: Simplify right side
    51,988,400.70x = 3,747,891,720,932,392
  5. Step 5: Solve for x
    x = 3,747,891,720,932,392/51,988,400.70
  6. Step 6: Final answer
    x = 72,090,921.64

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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.