Home / 47,174,123.52-70,758,523.72-20,905,393.68

Finding the Fourth Proportional to 47,174,123.52, 70,758,523.72 and 20,905,393.68

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Solution

The fourth proportional to 47,174,123.52, 70,758,523.72 and 20,905,393.68 is: 31,356,911.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,174,123.52 : 70,758,523.72 = 20,905,393.68 : x
  2. Step 2: Convert to fraction form
    47,174,123.52/70,758,523.72 = 20,905,393.68/x
  3. Step 3: Cross multiply
    47,174,123.52x = 70,758,523.72 × 20,905,393.68
  4. Step 4: Simplify right side
    47,174,123.52x = 1,479,234,794,582,218
  5. Step 5: Solve for x
    x = 1,479,234,794,582,218/47,174,123.52
  6. Step 6: Final answer
    x = 31,356,911.04

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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.