Home / 161,259,734.49-222,557,326.32-91,655,578.11

Finding the Fourth Proportional to 161,259,734.49, 222,557,326.32 and 91,655,578.11

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Solution

The fourth proportional to 161,259,734.49, 222,557,326.32 and 91,655,578.11 is: 126,495,435.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,259,734.49 : 222,557,326.32 = 91,655,578.11 : x
  2. Step 2: Convert to fraction form
    161,259,734.49/222,557,326.32 = 91,655,578.11/x
  3. Step 3: Cross multiply
    161,259,734.49x = 222,557,326.32 × 91,655,578.11
  4. Step 4: Simplify right side
    161,259,734.49x = 20,398,620,406,475,520
  5. Step 5: Solve for x
    x = 20,398,620,406,475,520/161,259,734.49
  6. Step 6: Final answer
    x = 126,495,435.89

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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.