Home / 276,804,557.40-415,206,836.10-161,729,866.20

Finding the Fourth Proportional to 276,804,557.40, 415,206,836.10 and 161,729,866.20

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Solution

The fourth proportional to 276,804,557.40, 415,206,836.10 and 161,729,866.20 is: 242,594,799.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,804,557.40 : 415,206,836.10 = 161,729,866.20 : x
  2. Step 2: Convert to fraction form
    276,804,557.40/415,206,836.10 = 161,729,866.20/x
  3. Step 3: Cross multiply
    276,804,557.40x = 415,206,836.10 × 161,729,866.20
  4. Step 4: Simplify right side
    276,804,557.40x = 67,151,346,047,778,328
  5. Step 5: Solve for x
    x = 67,151,346,047,778,328/276,804,557.40
  6. Step 6: Final answer
    x = 242,594,799.30

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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.