Home / 276,804,544.40-415,206,816.60-161,729,853.20

Finding the Fourth Proportional to 276,804,544.40, 415,206,816.60 and 161,729,853.20

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Solution

The fourth proportional to 276,804,544.40, 415,206,816.60 and 161,729,853.20 is: 242,594,779.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,804,544.40 : 415,206,816.60 = 161,729,853.20 : x
  2. Step 2: Convert to fraction form
    276,804,544.40/415,206,816.60 = 161,729,853.20/x
  3. Step 3: Cross multiply
    276,804,544.40x = 415,206,816.60 × 161,729,853.20
  4. Step 4: Simplify right side
    276,804,544.40x = 67,151,337,496,357,320
  5. Step 5: Solve for x
    x = 67,151,337,496,357,320/276,804,544.40
  6. Step 6: Final answer
    x = 242,594,779.80

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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.