Home / 216,499,293.54-298,480,000.92-171,992,937.96

Finding the Fourth Proportional to 216,499,293.54, 298,480,000.92 and 171,992,937.96

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Solution

The fourth proportional to 216,499,293.54, 298,480,000.92 and 171,992,937.96 is: 237,120,645.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,499,293.54 : 298,480,000.92 = 171,992,937.96 : x
  2. Step 2: Convert to fraction form
    216,499,293.54/298,480,000.92 = 171,992,937.96/x
  3. Step 3: Cross multiply
    216,499,293.54x = 298,480,000.92 × 171,992,937.96
  4. Step 4: Simplify right side
    216,499,293.54x = 51,336,452,280,534,312
  5. Step 5: Solve for x
    x = 51,336,452,280,534,312/216,499,293.54
  6. Step 6: Final answer
    x = 237,120,645.71

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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.