Home / 126,009,003.20-188,800,928.40-61,173,201.20

Finding the Fourth Proportional to 126,009,003.20, 188,800,928.40 and 61,173,201.20

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Solution

The fourth proportional to 126,009,003.20, 188,800,928.40 and 61,173,201.20 is: 91,656,602.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,009,003.20 : 188,800,928.40 = 61,173,201.20 : x
  2. Step 2: Convert to fraction form
    126,009,003.20/188,800,928.40 = 61,173,201.20/x
  3. Step 3: Cross multiply
    126,009,003.20x = 188,800,928.40 × 61,173,201.20
  4. Step 4: Simplify right side
    126,009,003.20x = 11,549,557,179,759,996
  5. Step 5: Solve for x
    x = 11,549,557,179,759,996/126,009,003.20
  6. Step 6: Final answer
    x = 91,656,602.99

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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.