Home / 153,979,800.46-212,420,896.14-136,356,662.86

Finding the Fourth Proportional to 153,979,800.46, 212,420,896.14 and 136,356,662.86

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Solution

The fourth proportional to 153,979,800.46, 212,420,896.14 and 136,356,662.86 is: 188,109,118.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,979,800.46 : 212,420,896.14 = 136,356,662.86 : x
  2. Step 2: Convert to fraction form
    153,979,800.46/212,420,896.14 = 136,356,662.86/x
  3. Step 3: Cross multiply
    153,979,800.46x = 212,420,896.14 × 136,356,662.86
  4. Step 4: Simplify right side
    153,979,800.46x = 28,965,004,519,381,056
  5. Step 5: Solve for x
    x = 28,965,004,519,381,056/153,979,800.46
  6. Step 6: Final answer
    x = 188,109,118.42

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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.