Home / 208,775,335.68-288,101,995.56-115,961,796.72

Finding the Fourth Proportional to 208,775,335.68, 288,101,995.56 and 115,961,796.72

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Solution

The fourth proportional to 208,775,335.68, 288,101,995.56 and 115,961,796.72 is: 160,022,853.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,775,335.68 : 288,101,995.56 = 115,961,796.72 : x
  2. Step 2: Convert to fraction form
    208,775,335.68/288,101,995.56 = 115,961,796.72/x
  3. Step 3: Cross multiply
    208,775,335.68x = 288,101,995.56 × 115,961,796.72
  4. Step 4: Simplify right side
    208,775,335.68x = 33,408,825,043,755,064
  5. Step 5: Solve for x
    x = 33,408,825,043,755,064/208,775,335.68
  6. Step 6: Final answer
    x = 160,022,853.92

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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.