Home / 50,688,037.20-76,032,055.80-18,787,774.80

Finding the Fourth Proportional to 50,688,037.20, 76,032,055.80 and 18,787,774.80

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Solution

The fourth proportional to 50,688,037.20, 76,032,055.80 and 18,787,774.80 is: 28,181,662.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,688,037.20 : 76,032,055.80 = 18,787,774.80 : x
  2. Step 2: Convert to fraction form
    50,688,037.20/76,032,055.80 = 18,787,774.80/x
  3. Step 3: Cross multiply
    50,688,037.20x = 76,032,055.80 × 18,787,774.80
  4. Step 4: Simplify right side
    50,688,037.20x = 1,428,473,141,951,433.75
  5. Step 5: Solve for x
    x = 1,428,473,141,951,433.75/50,688,037.20
  6. Step 6: Final answer
    x = 28,181,662.20

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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.