Home / 31,432,144.68-47,148,230.09-14,140,147.87

Finding the Fourth Proportional to 31,432,144.68, 47,148,230.09 and 14,140,147.87

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Solution

The fourth proportional to 31,432,144.68, 47,148,230.09 and 14,140,147.87 is: 21,210,227.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,432,144.68 : 47,148,230.09 = 14,140,147.87 : x
  2. Step 2: Convert to fraction form
    31,432,144.68/47,148,230.09 = 14,140,147.87/x
  3. Step 3: Cross multiply
    31,432,144.68x = 47,148,230.09 × 14,140,147.87
  4. Step 4: Simplify right side
    31,432,144.68x = 666,682,945,281,383.38
  5. Step 5: Solve for x
    x = 666,682,945,281,383.38/31,432,144.68
  6. Step 6: Final answer
    x = 21,210,227.68

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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.