Home / 161,259,743.16-222,557,338.32-91,655,586.80

Finding the Fourth Proportional to 161,259,743.16, 222,557,338.32 and 91,655,586.80

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Solution

The fourth proportional to 161,259,743.16, 222,557,338.32 and 91,655,586.80 is: 126,495,447.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,259,743.16 : 222,557,338.32 = 91,655,586.80 : x
  2. Step 2: Convert to fraction form
    161,259,743.16/222,557,338.32 = 91,655,586.80/x
  3. Step 3: Cross multiply
    161,259,743.16x = 222,557,338.32 × 91,655,586.80
  4. Step 4: Simplify right side
    161,259,743.16x = 20,398,623,440,365,724
  5. Step 5: Solve for x
    x = 20,398,623,440,365,724/161,259,743.16
  6. Step 6: Final answer
    x = 126,495,447.91

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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.