Home / 216,344,957.22-298,557,080.55-117,225,678.62

Finding the Fourth Proportional to 216,344,957.22, 298,557,080.55 and 117,225,678.62

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Solution

The fourth proportional to 216,344,957.22, 298,557,080.55 and 117,225,678.62 is: 161,771,999.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,344,957.22 : 298,557,080.55 = 117,225,678.62 : x
  2. Step 2: Convert to fraction form
    216,344,957.22/298,557,080.55 = 117,225,678.62/x
  3. Step 3: Cross multiply
    216,344,957.22x = 298,557,080.55 × 117,225,678.62
  4. Step 4: Simplify right side
    216,344,957.22x = 34,998,556,373,693,628
  5. Step 5: Solve for x
    x = 34,998,556,373,693,628/216,344,957.22
  6. Step 6: Final answer
    x = 161,771,999.79

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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.