Home / 47,174,122.52-70,758,522.23-20,905,392.68

Finding the Fourth Proportional to 47,174,122.52, 70,758,522.23 and 20,905,392.68

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Solution

The fourth proportional to 47,174,122.52, 70,758,522.23 and 20,905,392.68 is: 31,356,909.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,174,122.52 : 70,758,522.23 = 20,905,392.68 : x
  2. Step 2: Convert to fraction form
    47,174,122.52/70,758,522.23 = 20,905,392.68/x
  3. Step 3: Cross multiply
    47,174,122.52x = 70,758,522.23 × 20,905,392.68
  4. Step 4: Simplify right side
    47,174,122.52x = 1,479,234,692,216,339.75
  5. Step 5: Solve for x
    x = 1,479,234,692,216,339.75/47,174,122.52
  6. Step 6: Final answer
    x = 31,356,909.54

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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.