Home / 77,789,335.92-116,696,667.12-36,331,669.64

Finding the Fourth Proportional to 77,789,335.92, 116,696,667.12 and 36,331,669.64

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Solution

The fourth proportional to 77,789,335.92, 116,696,667.12 and 36,331,669.64 is: 54,503,418.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,789,335.92 : 116,696,667.12 = 36,331,669.64 : x
  2. Step 2: Convert to fraction form
    77,789,335.92/116,696,667.12 = 36,331,669.64/x
  3. Step 3: Cross multiply
    77,789,335.92x = 116,696,667.12 × 36,331,669.64
  4. Step 4: Simplify right side
    77,789,335.92x = 4,239,784,758,184,632
  5. Step 5: Solve for x
    x = 4,239,784,758,184,632/77,789,335.92
  6. Step 6: Final answer
    x = 54,503,418.86

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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.