Home / 216,665,530.83-298,999,000.35-117,546,273.09

Finding the Fourth Proportional to 216,665,530.83, 298,999,000.35 and 117,546,273.09

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Solution

The fourth proportional to 216,665,530.83, 298,999,000.35 and 117,546,273.09 is: 162,214,164.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,665,530.83 : 298,999,000.35 = 117,546,273.09 : x
  2. Step 2: Convert to fraction form
    216,665,530.83/298,999,000.35 = 117,546,273.09/x
  3. Step 3: Cross multiply
    216,665,530.83x = 298,999,000.35 × 117,546,273.09
  4. Step 4: Simplify right side
    216,665,530.83x = 35,146,218,148,778,108
  5. Step 5: Solve for x
    x = 35,146,218,148,778,108/216,665,530.83
  6. Step 6: Final answer
    x = 162,214,164.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.