Home / 216,665,539.80-298,999,012.80-117,546,282.12

Finding the Fourth Proportional to 216,665,539.80, 298,999,012.80 and 117,546,282.12

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Solution

The fourth proportional to 216,665,539.80, 298,999,012.80 and 117,546,282.12 is: 162,214,177.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,665,539.80 : 298,999,012.80 = 117,546,282.12 : x
  2. Step 2: Convert to fraction form
    216,665,539.80/298,999,012.80 = 117,546,282.12/x
  3. Step 3: Cross multiply
    216,665,539.80x = 298,999,012.80 × 117,546,282.12
  4. Step 4: Simplify right side
    216,665,539.80x = 35,146,222,312,190,292
  5. Step 5: Solve for x
    x = 35,146,222,312,190,292/216,665,539.80
  6. Step 6: Final answer
    x = 162,214,177.41

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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.