Home / 39,939,011,826.75-55,114,781,428.76-22,791,557,758.95

Finding the Fourth Proportional to 39,939,011,826.75, 55,114,781,428.76 and 22,791,557,758.95

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Solution

The fourth proportional to 39,939,011,826.75, 55,114,781,428.76 and 22,791,557,758.95 is: 31,451,747,723.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,939,011,826.75 : 55,114,781,428.76 = 22,791,557,758.95 : x
  2. Step 2: Convert to fraction form
    39,939,011,826.75/55,114,781,428.76 = 22,791,557,758.95/x
  3. Step 3: Cross multiply
    39,939,011,826.75x = 55,114,781,428.76 × 22,791,557,758.95
  4. Step 4: Simplify right side
    39,939,011,826.75x = 1,256,151,724,305,374,248,960
  5. Step 5: Solve for x
    x = 1,256,151,724,305,374,248,960/39,939,011,826.75
  6. Step 6: Final answer
    x = 31,451,747,723.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.