Home / 276,804,559.15-415,206,838.73-161,729,867.95

Finding the Fourth Proportional to 276,804,559.15, 415,206,838.73 and 161,729,867.95

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Solution

The fourth proportional to 276,804,559.15, 415,206,838.73 and 161,729,867.95 is: 242,594,801.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,804,559.15 : 415,206,838.73 = 161,729,867.95 : x
  2. Step 2: Convert to fraction form
    276,804,559.15/415,206,838.73 = 161,729,867.95/x
  3. Step 3: Cross multiply
    276,804,559.15x = 415,206,838.73 × 161,729,867.95
  4. Step 4: Simplify right side
    276,804,559.15x = 67,151,347,199,739,840
  5. Step 5: Solve for x
    x = 67,151,347,199,739,840/276,804,559.15
  6. Step 6: Final answer
    x = 242,594,801.93

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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.