Home / 276,907,204.80-415,360,807.20-140,858,308.80

Finding the Fourth Proportional to 276,907,204.80, 415,360,807.20 and 140,858,308.80

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Solution

The fourth proportional to 276,907,204.80, 415,360,807.20 and 140,858,308.80 is: 211,287,463.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,907,204.80 : 415,360,807.20 = 140,858,308.80 : x
  2. Step 2: Convert to fraction form
    276,907,204.80/415,360,807.20 = 140,858,308.80/x
  3. Step 3: Cross multiply
    276,907,204.80x = 415,360,807.20 × 140,858,308.80
  4. Step 4: Simplify right side
    276,907,204.80x = 58,507,020,843,994,864
  5. Step 5: Solve for x
    x = 58,507,020,843,994,864/276,907,204.80
  6. Step 6: Final answer
    x = 211,287,463.20

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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.