Home / 56,940,231.27-78,577,594.93-30,834,794.12

Finding the Fourth Proportional to 56,940,231.27, 78,577,594.93 and 30,834,794.12

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Solution

The fourth proportional to 56,940,231.27, 78,577,594.93 and 30,834,794.12 is: 42,552,056.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,940,231.27 : 78,577,594.93 = 30,834,794.12 : x
  2. Step 2: Convert to fraction form
    56,940,231.27/78,577,594.93 = 30,834,794.12/x
  3. Step 3: Cross multiply
    56,940,231.27x = 78,577,594.93 × 30,834,794.12
  4. Step 4: Simplify right side
    56,940,231.27x = 2,422,923,962,111,306
  5. Step 5: Solve for x
    x = 2,422,923,962,111,306/56,940,231.27
  6. Step 6: Final answer
    x = 42,552,056.92

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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.