Home / 138,253,850,701.40-207,380,776,052.10-132,836,081,331.80

Finding the Fourth Proportional to 138,253,850,701.40, 207,380,776,052.10 and 132,836,081,331.80

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Solution

The fourth proportional to 138,253,850,701.40, 207,380,776,052.10 and 132,836,081,331.80 is: 199,254,121,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,253,850,701.40 : 207,380,776,052.10 = 132,836,081,331.80 : x
  2. Step 2: Convert to fraction form
    138,253,850,701.40/207,380,776,052.10 = 132,836,081,331.80/x
  3. Step 3: Cross multiply
    138,253,850,701.40x = 207,380,776,052.10 × 132,836,081,331.80
  4. Step 4: Simplify right side
    138,253,850,701.40x = 27,547,649,634,308,557,111,296
  5. Step 5: Solve for x
    x = 27,547,649,634,308,557,111,296/138,253,850,701.40
  6. Step 6: Final answer
    x = 199,254,121,997.70

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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.