Home / 210,063,234.35-289,887,664.56-115,977,563.30

Finding the Fourth Proportional to 210,063,234.35, 289,887,664.56 and 115,977,563.30

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Solution

The fourth proportional to 210,063,234.35, 289,887,664.56 and 115,977,563.30 is: 160,049,258.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,063,234.35 : 289,887,664.56 = 115,977,563.30 : x
  2. Step 2: Convert to fraction form
    210,063,234.35/289,887,664.56 = 115,977,563.30/x
  3. Step 3: Cross multiply
    210,063,234.35x = 289,887,664.56 × 115,977,563.30
  4. Step 4: Simplify right side
    210,063,234.35x = 33,620,464,966,396,568
  5. Step 5: Solve for x
    x = 33,620,464,966,396,568/210,063,234.35
  6. Step 6: Final answer
    x = 160,049,258.84

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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.