Home / 276,840,438.20-415,260,657.30-133,513,206.20

Finding the Fourth Proportional to 276,840,438.20, 415,260,657.30 and 133,513,206.20

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Solution

The fourth proportional to 276,840,438.20, 415,260,657.30 and 133,513,206.20 is: 200,269,809.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,840,438.20 : 415,260,657.30 = 133,513,206.20 : x
  2. Step 2: Convert to fraction form
    276,840,438.20/415,260,657.30 = 133,513,206.20/x
  3. Step 3: Cross multiply
    276,840,438.20x = 415,260,657.30 × 133,513,206.20
  4. Step 4: Simplify right side
    276,840,438.20x = 55,442,781,764,842,440
  5. Step 5: Solve for x
    x = 55,442,781,764,842,440/276,840,438.20
  6. Step 6: Final answer
    x = 200,269,809.30

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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.