Home / 50,142,619.80-75,213,929.70-45,837,947.70

Finding the Fourth Proportional to 50,142,619.80, 75,213,929.70 and 45,837,947.70

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Solution

The fourth proportional to 50,142,619.80, 75,213,929.70 and 45,837,947.70 is: 68,756,921.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,142,619.80 : 75,213,929.70 = 45,837,947.70 : x
  2. Step 2: Convert to fraction form
    50,142,619.80/75,213,929.70 = 45,837,947.70/x
  3. Step 3: Cross multiply
    50,142,619.80x = 75,213,929.70 × 45,837,947.70
  4. Step 4: Simplify right side
    50,142,619.80x = 3,447,652,175,900,077
  5. Step 5: Solve for x
    x = 3,447,652,175,900,077/50,142,619.80
  6. Step 6: Final answer
    x = 68,756,921.55

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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.