Home / 138,253,850,771.40-207,380,776,157.10-132,836,081,401.80

Finding the Fourth Proportional to 138,253,850,771.40, 207,380,776,157.10 and 132,836,081,401.80

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Solution

The fourth proportional to 138,253,850,771.40, 207,380,776,157.10 and 132,836,081,401.80 is: 199,254,122,102.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,253,850,771.40 : 207,380,776,157.10 = 132,836,081,401.80 : x
  2. Step 2: Convert to fraction form
    138,253,850,771.40/207,380,776,157.10 = 132,836,081,401.80/x
  3. Step 3: Cross multiply
    138,253,850,771.40x = 207,380,776,157.10 × 132,836,081,401.80
  4. Step 4: Simplify right side
    138,253,850,771.40x = 27,547,649,662,772,999,880,704
  5. Step 5: Solve for x
    x = 27,547,649,662,772,999,880,704/138,253,850,771.40
  6. Step 6: Final answer
    x = 199,254,122,102.70

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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.