Home / 161,259,727-222,557,315.98-91,655,570.62

Finding the Fourth Proportional to 161,259,727, 222,557,315.98 and 91,655,570.62

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Solution

The fourth proportional to 161,259,727, 222,557,315.98 and 91,655,570.62 is: 126,495,425.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,259,727 : 222,557,315.98 = 91,655,570.62 : x
  2. Step 2: Convert to fraction form
    161,259,727/222,557,315.98 = 91,655,570.62/x
  3. Step 3: Cross multiply
    161,259,727x = 222,557,315.98 × 91,655,570.62
  4. Step 4: Simplify right side
    161,259,727x = 20,398,617,791,802,544
  5. Step 5: Solve for x
    x = 20,398,617,791,802,544/161,259,727
  6. Step 6: Final answer
    x = 126,495,425.56

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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.