Home / 126,858,201.60-190,305,017.10-54,074,404.20

Finding the Fourth Proportional to 126,858,201.60, 190,305,017.10 and 54,074,404.20

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Solution

The fourth proportional to 126,858,201.60, 190,305,017.10 and 54,074,404.20 is: 81,119,157.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,858,201.60 : 190,305,017.10 = 54,074,404.20 : x
  2. Step 2: Convert to fraction form
    126,858,201.60/190,305,017.10 = 54,074,404.20/x
  3. Step 3: Cross multiply
    126,858,201.60x = 190,305,017.10 × 54,074,404.20
  4. Step 4: Simplify right side
    126,858,201.60x = 10,290,630,415,953,312
  5. Step 5: Solve for x
    x = 10,290,630,415,953,312/126,858,201.60
  6. Step 6: Final answer
    x = 81,119,157.34

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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.