Home / 144,850,563.70-217,275,845.55-76,826,115.70

Finding the Fourth Proportional to 144,850,563.70, 217,275,845.55 and 76,826,115.70

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Solution

The fourth proportional to 144,850,563.70, 217,275,845.55 and 76,826,115.70 is: 115,239,173.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,850,563.70 : 217,275,845.55 = 76,826,115.70 : x
  2. Step 2: Convert to fraction form
    144,850,563.70/217,275,845.55 = 76,826,115.70/x
  3. Step 3: Cross multiply
    144,850,563.70x = 217,275,845.55 × 76,826,115.70
  4. Step 4: Simplify right side
    144,850,563.70x = 16,692,459,249,039,632
  5. Step 5: Solve for x
    x = 16,692,459,249,039,632/144,850,563.70
  6. Step 6: Final answer
    x = 115,239,173.55

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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.