Home / 289,784,119.60-433,542,438.60-187,747,447.60

Finding the Fourth Proportional to 289,784,119.60, 433,542,438.60 and 187,747,447.60

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Solution

The fourth proportional to 289,784,119.60, 433,542,438.60 and 187,747,447.60 is: 280,886,635.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,784,119.60 : 433,542,438.60 = 187,747,447.60 : x
  2. Step 2: Convert to fraction form
    289,784,119.60/433,542,438.60 = 187,747,447.60/x
  3. Step 3: Cross multiply
    289,784,119.60x = 433,542,438.60 × 187,747,447.60
  4. Step 4: Simplify right side
    289,784,119.60x = 81,396,486,273,429,712
  5. Step 5: Solve for x
    x = 81,396,486,273,429,712/289,784,119.60
  6. Step 6: Final answer
    x = 280,886,635.15

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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.