Home / 126,705,844.32-190,086,760.08-45,924,712.80

Finding the Fourth Proportional to 126,705,844.32, 190,086,760.08 and 45,924,712.80

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Solution

The fourth proportional to 126,705,844.32, 190,086,760.08 and 45,924,712.80 is: 68,897,215.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,705,844.32 : 190,086,760.08 = 45,924,712.80 : x
  2. Step 2: Convert to fraction form
    126,705,844.32/190,086,760.08 = 45,924,712.80/x
  3. Step 3: Cross multiply
    126,705,844.32x = 190,086,760.08 × 45,924,712.80
  4. Step 4: Simplify right side
    126,705,844.32x = 8,729,679,863,756,505
  5. Step 5: Solve for x
    x = 8,729,679,863,756,505/126,705,844.32
  6. Step 6: Final answer
    x = 68,897,215.52

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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.