Home / 298,446,500.19-447,674,390.21-88,378,436.07

Finding the Fourth Proportional to 298,446,500.19, 447,674,390.21 and 88,378,436.07

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Solution

The fourth proportional to 298,446,500.19, 447,674,390.21 and 88,378,436.07 is: 132,569,028.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,446,500.19 : 447,674,390.21 = 88,378,436.07 : x
  2. Step 2: Convert to fraction form
    298,446,500.19/447,674,390.21 = 88,378,436.07/x
  3. Step 3: Cross multiply
    298,446,500.19x = 447,674,390.21 × 88,378,436.07
  4. Step 4: Simplify right side
    298,446,500.19x = 39,564,762,475,074,096
  5. Step 5: Solve for x
    x = 39,564,762,475,074,096/298,446,500.19
  6. Step 6: Final answer
    x = 132,569,028.12

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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.