Home / 126,910,844.40-190,366,266.60-40,652,065.20

Finding the Fourth Proportional to 126,910,844.40, 190,366,266.60 and 40,652,065.20

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Solution

The fourth proportional to 126,910,844.40, 190,366,266.60 and 40,652,065.20 is: 60,978,097.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,910,844.40 : 190,366,266.60 = 40,652,065.20 : x
  2. Step 2: Convert to fraction form
    126,910,844.40/190,366,266.60 = 40,652,065.20/x
  3. Step 3: Cross multiply
    126,910,844.40x = 190,366,266.60 × 40,652,065.20
  4. Step 4: Simplify right side
    126,910,844.40x = 7,738,781,881,703,783
  5. Step 5: Solve for x
    x = 7,738,781,881,703,783/126,910,844.40
  6. Step 6: Final answer
    x = 60,978,097.80

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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.