Home / 289,784,100.60-433,542,410.10-187,747,428.60

Finding the Fourth Proportional to 289,784,100.60, 433,542,410.10 and 187,747,428.60

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Solution

The fourth proportional to 289,784,100.60, 433,542,410.10 and 187,747,428.60 is: 280,886,606.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,784,100.60 : 433,542,410.10 = 187,747,428.60 : x
  2. Step 2: Convert to fraction form
    289,784,100.60/433,542,410.10 = 187,747,428.60/x
  3. Step 3: Cross multiply
    289,784,100.60x = 433,542,410.10 × 187,747,428.60
  4. Step 4: Simplify right side
    289,784,100.60x = 81,396,472,685,321,664
  5. Step 5: Solve for x
    x = 81,396,472,685,321,664/289,784,100.60
  6. Step 6: Final answer
    x = 280,886,606.67

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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.