Home / 76,804,917.70-115,207,376.55-50,976,885.10

Finding the Fourth Proportional to 76,804,917.70, 115,207,376.55 and 50,976,885.10

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Solution

The fourth proportional to 76,804,917.70, 115,207,376.55 and 50,976,885.10 is: 76,465,327.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,804,917.70 : 115,207,376.55 = 50,976,885.10 : x
  2. Step 2: Convert to fraction form
    76,804,917.70/115,207,376.55 = 50,976,885.10/x
  3. Step 3: Cross multiply
    76,804,917.70x = 115,207,376.55 × 50,976,885.10
  4. Step 4: Simplify right side
    76,804,917.70x = 5,872,913,197,061,784
  5. Step 5: Solve for x
    x = 5,872,913,197,061,784/76,804,917.70
  6. Step 6: Final answer
    x = 76,465,327.65

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Double scale
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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.