Home / 437,955,933.44-656,850,178.52-131,248,046.32

Finding the Fourth Proportional to 437,955,933.44, 656,850,178.52 and 131,248,046.32

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Solution

The fourth proportional to 437,955,933.44, 656,850,178.52 and 131,248,046.32 is: 196,846,979.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,955,933.44 : 656,850,178.52 = 131,248,046.32 : x
  2. Step 2: Convert to fraction form
    437,955,933.44/656,850,178.52 = 131,248,046.32/x
  3. Step 3: Cross multiply
    437,955,933.44x = 656,850,178.52 × 131,248,046.32
  4. Step 4: Simplify right side
    437,955,933.44x = 86,210,302,655,693,216
  5. Step 5: Solve for x
    x = 86,210,302,655,693,216/437,955,933.44
  6. Step 6: Final answer
    x = 196,846,979.51

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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.