Home / 199,203,507.40-298,805,261.10-140,752,870.60

Finding the Fourth Proportional to 199,203,507.40, 298,805,261.10 and 140,752,870.60

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Solution

The fourth proportional to 199,203,507.40, 298,805,261.10 and 140,752,870.60 is: 211,129,305.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,203,507.40 : 298,805,261.10 = 140,752,870.60 : x
  2. Step 2: Convert to fraction form
    199,203,507.40/298,805,261.10 = 140,752,870.60/x
  3. Step 3: Cross multiply
    199,203,507.40x = 298,805,261.10 × 140,752,870.60
  4. Step 4: Simplify right side
    199,203,507.40x = 42,057,698,250,207,512
  5. Step 5: Solve for x
    x = 42,057,698,250,207,512/199,203,507.40
  6. Step 6: Final answer
    x = 211,129,305.90

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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.