Home / 216,345,194.52-298,556,630.76-117,225,865.02

Finding the Fourth Proportional to 216,345,194.52, 298,556,630.76 and 117,225,865.02

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Solution

The fourth proportional to 216,345,194.52, 298,556,630.76 and 117,225,865.02 is: 161,771,835.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,345,194.52 : 298,556,630.76 = 117,225,865.02 : x
  2. Step 2: Convert to fraction form
    216,345,194.52/298,556,630.76 = 117,225,865.02/x
  3. Step 3: Cross multiply
    216,345,194.52x = 298,556,630.76 × 117,225,865.02
  4. Step 4: Simplify right side
    216,345,194.52x = 34,998,559,298,297,736
  5. Step 5: Solve for x
    x = 34,998,559,298,297,736/216,345,194.52
  6. Step 6: Final answer
    x = 161,771,835.87

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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.