Home / 210,063,236.36-289,887,667.32-115,977,565.30

Finding the Fourth Proportional to 210,063,236.36, 289,887,667.32 and 115,977,565.30

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Solution

The fourth proportional to 210,063,236.36, 289,887,667.32 and 115,977,565.30 is: 160,049,261.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,063,236.36 : 289,887,667.32 = 115,977,565.30 : x
  2. Step 2: Convert to fraction form
    210,063,236.36/289,887,667.32 = 115,977,565.30/x
  3. Step 3: Cross multiply
    210,063,236.36x = 289,887,667.32 × 115,977,565.30
  4. Step 4: Simplify right side
    210,063,236.36x = 33,620,465,866,269,976
  5. Step 5: Solve for x
    x = 33,620,465,866,269,976/210,063,236.36
  6. Step 6: Final answer
    x = 160,049,261.59

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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.