Home / 99,712,472-149,588,099.40-38,297,138

Finding the Fourth Proportional to 99,712,472, 149,588,099.40 and 38,297,138

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Solution

The fourth proportional to 99,712,472, 149,588,099.40 and 38,297,138 is: 57,453,154.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,712,472 : 149,588,099.40 = 38,297,138 : x
  2. Step 2: Convert to fraction form
    99,712,472/149,588,099.40 = 38,297,138/x
  3. Step 3: Cross multiply
    99,712,472x = 149,588,099.40 × 38,297,138
  4. Step 4: Simplify right side
    99,712,472x = 5,728,796,085,879,517
  5. Step 5: Solve for x
    x = 5,728,796,085,879,517/99,712,472
  6. Step 6: Final answer
    x = 57,453,154.77

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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.