Home / 316,728,010.20-475,092,015.30-161,759,814.60

Finding the Fourth Proportional to 316,728,010.20, 475,092,015.30 and 161,759,814.60

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Solution

The fourth proportional to 316,728,010.20, 475,092,015.30 and 161,759,814.60 is: 242,639,721.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,728,010.20 : 475,092,015.30 = 161,759,814.60 : x
  2. Step 2: Convert to fraction form
    316,728,010.20/475,092,015.30 = 161,759,814.60/x
  3. Step 3: Cross multiply
    316,728,010.20x = 475,092,015.30 × 161,759,814.60
  4. Step 4: Simplify right side
    316,728,010.20x = 76,850,796,312,868,368
  5. Step 5: Solve for x
    x = 76,850,796,312,868,368/316,728,010.20
  6. Step 6: Final answer
    x = 242,639,721.90

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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.