Home / 316,728,110.70-475,092,166.05-161,759,915.10

Finding the Fourth Proportional to 316,728,110.70, 475,092,166.05 and 161,759,915.10

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Solution

The fourth proportional to 316,728,110.70, 475,092,166.05 and 161,759,915.10 is: 242,639,872.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,728,110.70 : 475,092,166.05 = 161,759,915.10 : x
  2. Step 2: Convert to fraction form
    316,728,110.70/475,092,166.05 = 161,759,915.10/x
  3. Step 3: Cross multiply
    316,728,110.70x = 475,092,166.05 × 161,759,915.10
  4. Step 4: Simplify right side
    316,728,110.70x = 76,850,868,444,923,104
  5. Step 5: Solve for x
    x = 76,850,868,444,923,104/316,728,110.70
  6. Step 6: Final answer
    x = 242,639,872.65

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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.