Home / 80,476,402.86-111,060,115.13-45,200,414.77

Finding the Fourth Proportional to 80,476,402.86, 111,060,115.13 and 45,200,414.77

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Solution

The fourth proportional to 80,476,402.86, 111,060,115.13 and 45,200,414.77 is: 62,378,077.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,476,402.86 : 111,060,115.13 = 45,200,414.77 : x
  2. Step 2: Convert to fraction form
    80,476,402.86/111,060,115.13 = 45,200,414.77/x
  3. Step 3: Cross multiply
    80,476,402.86x = 111,060,115.13 × 45,200,414.77
  4. Step 4: Simplify right side
    80,476,402.86x = 5,019,963,268,115,303
  5. Step 5: Solve for x
    x = 5,019,963,268,115,303/80,476,402.86
  6. Step 6: Final answer
    x = 62,378,077.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.