Home / 151,609,770.32-209,221,481.39-81,995,151.17

Finding the Fourth Proportional to 151,609,770.32, 209,221,481.39 and 81,995,151.17

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Solution

The fourth proportional to 151,609,770.32, 209,221,481.39 and 81,995,151.17 is: 113,153,307.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,609,770.32 : 209,221,481.39 = 81,995,151.17 : x
  2. Step 2: Convert to fraction form
    151,609,770.32/209,221,481.39 = 81,995,151.17/x
  3. Step 3: Cross multiply
    151,609,770.32x = 209,221,481.39 × 81,995,151.17
  4. Step 4: Simplify right side
    151,609,770.32x = 17,155,146,994,697,468
  5. Step 5: Solve for x
    x = 17,155,146,994,697,468/151,609,770.32
  6. Step 6: Final answer
    x = 113,153,307.73

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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.