Home / 55,636,933.78-76,777,824.78-30,853,121.20

Finding the Fourth Proportional to 55,636,933.78, 76,777,824.78 and 30,853,121.20

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Solution

The fourth proportional to 55,636,933.78, 76,777,824.78 and 30,853,121.20 is: 42,576,672.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,636,933.78 : 76,777,824.78 = 30,853,121.20 : x
  2. Step 2: Convert to fraction form
    55,636,933.78/76,777,824.78 = 30,853,121.20/x
  3. Step 3: Cross multiply
    55,636,933.78x = 76,777,824.78 × 30,853,121.20
  4. Step 4: Simplify right side
    55,636,933.78x = 2,368,835,533,409,703.50
  5. Step 5: Solve for x
    x = 2,368,835,533,409,703.50/55,636,933.78
  6. Step 6: Final answer
    x = 42,576,672.95

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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.