Home / 49,648,785.21-68,524,760.03-31,072,560.30

Finding the Fourth Proportional to 49,648,785.21, 68,524,760.03 and 31,072,560.30

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Solution

The fourth proportional to 49,648,785.21, 68,524,760.03 and 31,072,560.30 is: 42,886,038.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,648,785.21 : 68,524,760.03 = 31,072,560.30 : x
  2. Step 2: Convert to fraction form
    49,648,785.21/68,524,760.03 = 31,072,560.30/x
  3. Step 3: Cross multiply
    49,648,785.21x = 68,524,760.03 × 31,072,560.30
  4. Step 4: Simplify right side
    49,648,785.21x = 2,129,239,737,919,842.25
  5. Step 5: Solve for x
    x = 2,129,239,737,919,842.25/49,648,785.21
  6. Step 6: Final answer
    x = 42,886,038.98

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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.