Home / 212,216,958.72-292,856,403.29-119,397,245.13

Finding the Fourth Proportional to 212,216,958.72, 292,856,403.29 and 119,397,245.13

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Solution

The fourth proportional to 212,216,958.72, 292,856,403.29 and 119,397,245.13 is: 164,766,510.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,216,958.72 : 292,856,403.29 = 119,397,245.13 : x
  2. Step 2: Convert to fraction form
    212,216,958.72/292,856,403.29 = 119,397,245.13/x
  3. Step 3: Cross multiply
    212,216,958.72x = 292,856,403.29 × 119,397,245.13
  4. Step 4: Simplify right side
    212,216,958.72x = 34,966,247,770,909,284
  5. Step 5: Solve for x
    x = 34,966,247,770,909,284/212,216,958.72
  6. Step 6: Final answer
    x = 164,766,510.56

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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.