Home / 56,176,969.20-84,265,453.80-15,787,453.20

Finding the Fourth Proportional to 56,176,969.20, 84,265,453.80 and 15,787,453.20

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Solution

The fourth proportional to 56,176,969.20, 84,265,453.80 and 15,787,453.20 is: 23,681,179.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,176,969.20 : 84,265,453.80 = 15,787,453.20 : x
  2. Step 2: Convert to fraction form
    56,176,969.20/84,265,453.80 = 15,787,453.20/x
  3. Step 3: Cross multiply
    56,176,969.20x = 84,265,453.80 × 15,787,453.20
  4. Step 4: Simplify right side
    56,176,969.20x = 1,330,336,908,244,262
  5. Step 5: Solve for x
    x = 1,330,336,908,244,262/56,176,969.20
  6. Step 6: Final answer
    x = 23,681,179.80

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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.