Home / 276,804,585.90-415,206,878.85-161,729,894.70

Finding the Fourth Proportional to 276,804,585.90, 415,206,878.85 and 161,729,894.70

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Solution

The fourth proportional to 276,804,585.90, 415,206,878.85 and 161,729,894.70 is: 242,594,842.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,804,585.90 : 415,206,878.85 = 161,729,894.70 : x
  2. Step 2: Convert to fraction form
    276,804,585.90/415,206,878.85 = 161,729,894.70/x
  3. Step 3: Cross multiply
    276,804,585.90x = 415,206,878.85 × 161,729,894.70
  4. Step 4: Simplify right side
    276,804,585.90x = 67,151,364,795,126,160
  5. Step 5: Solve for x
    x = 67,151,364,795,126,160/276,804,585.90
  6. Step 6: Final answer
    x = 242,594,842.05

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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.