Home / 437,955,923.43-656,850,163.55-131,248,036.31

Finding the Fourth Proportional to 437,955,923.43, 656,850,163.55 and 131,248,036.31

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Solution

The fourth proportional to 437,955,923.43, 656,850,163.55 and 131,248,036.31 is: 196,846,964.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,955,923.43 : 656,850,163.55 = 131,248,036.31 : x
  2. Step 2: Convert to fraction form
    437,955,923.43/656,850,163.55 = 131,248,036.31/x
  3. Step 3: Cross multiply
    437,955,923.43x = 656,850,163.55 × 131,248,036.31
  4. Step 4: Simplify right side
    437,955,923.43x = 86,210,294,111,899,344
  5. Step 5: Solve for x
    x = 86,210,294,111,899,344/437,955,923.43
  6. Step 6: Final answer
    x = 196,846,964.50

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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.