Home / 50,688,036.20-76,032,054.30-18,787,773.80

Finding the Fourth Proportional to 50,688,036.20, 76,032,054.30 and 18,787,773.80

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Solution

The fourth proportional to 50,688,036.20, 76,032,054.30 and 18,787,773.80 is: 28,181,660.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,688,036.20 : 76,032,054.30 = 18,787,773.80 : x
  2. Step 2: Convert to fraction form
    50,688,036.20/76,032,054.30 = 18,787,773.80/x
  3. Step 3: Cross multiply
    50,688,036.20x = 76,032,054.30 × 18,787,773.80
  4. Step 4: Simplify right side
    50,688,036.20x = 1,428,473,037,737,717.25
  5. Step 5: Solve for x
    x = 1,428,473,037,737,717.25/50,688,036.20
  6. Step 6: Final answer
    x = 28,181,660.70

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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.