Home / 56,385,474.84-77,808,039.49-31,268,879.77

Finding the Fourth Proportional to 56,385,474.84, 77,808,039.49 and 31,268,879.77

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Solution

The fourth proportional to 56,385,474.84, 77,808,039.49 and 31,268,879.77 is: 43,148,882.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,385,474.84 : 77,808,039.49 = 31,268,879.77 : x
  2. Step 2: Convert to fraction form
    56,385,474.84/77,808,039.49 = 31,268,879.77/x
  3. Step 3: Cross multiply
    56,385,474.84x = 77,808,039.49 × 31,268,879.77
  4. Step 4: Simplify right side
    56,385,474.84x = 2,432,970,231,912,680.50
  5. Step 5: Solve for x
    x = 2,432,970,231,912,680.50/56,385,474.84
  6. Step 6: Final answer
    x = 43,148,882.56

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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.