Home / 72,356,060.39-108,473,046.56-31,384,653.56

Finding the Fourth Proportional to 72,356,060.39, 108,473,046.56 and 31,384,653.56

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Solution

The fourth proportional to 72,356,060.39, 108,473,046.56 and 31,384,653.56 is: 47,050,502.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,356,060.39 : 108,473,046.56 = 31,384,653.56 : x
  2. Step 2: Convert to fraction form
    72,356,060.39/108,473,046.56 = 31,384,653.56/x
  3. Step 3: Cross multiply
    72,356,060.39x = 108,473,046.56 × 31,384,653.56
  4. Step 4: Simplify right side
    72,356,060.39x = 3,404,388,986,184,061.50
  5. Step 5: Solve for x
    x = 3,404,388,986,184,061.50/72,356,060.39
  6. Step 6: Final answer
    x = 47,050,502.31

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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.