Home / 55,171,486.32-76,142,630.94-30,394,212.18

Finding the Fourth Proportional to 55,171,486.32, 76,142,630.94 and 30,394,212.18

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Solution

The fourth proportional to 55,171,486.32, 76,142,630.94 and 30,394,212.18 is: 41,947,307.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,171,486.32 : 76,142,630.94 = 30,394,212.18 : x
  2. Step 2: Convert to fraction form
    55,171,486.32/76,142,630.94 = 30,394,212.18/x
  3. Step 3: Cross multiply
    55,171,486.32x = 76,142,630.94 × 30,394,212.18
  4. Step 4: Simplify right side
    55,171,486.32x = 2,314,295,280,733,793
  5. Step 5: Solve for x
    x = 2,314,295,280,733,793/55,171,486.32
  6. Step 6: Final answer
    x = 41,947,307.12

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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.