Home / 121,126,822.30-181,690,233.45-107,256,212.20

Finding the Fourth Proportional to 121,126,822.30, 181,690,233.45 and 107,256,212.20

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Solution

The fourth proportional to 121,126,822.30, 181,690,233.45 and 107,256,212.20 is: 160,884,318.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,126,822.30 : 181,690,233.45 = 107,256,212.20 : x
  2. Step 2: Convert to fraction form
    121,126,822.30/181,690,233.45 = 107,256,212.20/x
  3. Step 3: Cross multiply
    121,126,822.30x = 181,690,233.45 × 107,256,212.20
  4. Step 4: Simplify right side
    121,126,822.30x = 19,487,406,233,580,736
  5. Step 5: Solve for x
    x = 19,487,406,233,580,736/121,126,822.30
  6. Step 6: Final answer
    x = 160,884,318.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.