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Finding the Fourth Proportional to 267,993,676.80, 401,990,515.24 and 106,435,612.80

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Solution

The fourth proportional to 267,993,676.80, 401,990,515.24 and 106,435,612.80 is: 159,653,419.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,993,676.80 : 401,990,515.24 = 106,435,612.80 : x
  2. Step 2: Convert to fraction form
    267,993,676.80/401,990,515.24 = 106,435,612.80/x
  3. Step 3: Cross multiply
    267,993,676.80x = 401,990,515.24 × 106,435,612.80
  4. Step 4: Simplify right side
    267,993,676.80x = 42,786,106,829,357,136
  5. Step 5: Solve for x
    x = 42,786,106,829,357,136/267,993,676.80
  6. Step 6: Final answer
    x = 159,653,419.22

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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.