Home / 276,830,530.20-414,909,872.10-123,313,627.80

Finding the Fourth Proportional to 276,830,530.20, 414,909,872.10 and 123,313,627.80

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Solution

The fourth proportional to 276,830,530.20, 414,909,872.10 and 123,313,627.80 is: 184,820,805.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,830,530.20 : 414,909,872.10 = 123,313,627.80 : x
  2. Step 2: Convert to fraction form
    276,830,530.20/414,909,872.10 = 123,313,627.80/x
  3. Step 3: Cross multiply
    276,830,530.20x = 414,909,872.10 × 123,313,627.80
  4. Step 4: Simplify right side
    276,830,530.20x = 51,164,041,538,685,008
  5. Step 5: Solve for x
    x = 51,164,041,538,685,008/276,830,530.20
  6. Step 6: Final answer
    x = 184,820,805.36

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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.