Home / 92,838,747.45-128,111,855.27-51,584,229.21

Finding the Fourth Proportional to 92,838,747.45, 128,111,855.27 and 51,584,229.21

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Solution

The fourth proportional to 92,838,747.45, 128,111,855.27 and 51,584,229.21 is: 71,183,115.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,838,747.45 : 128,111,855.27 = 51,584,229.21 : x
  2. Step 2: Convert to fraction form
    92,838,747.45/128,111,855.27 = 51,584,229.21/x
  3. Step 3: Cross multiply
    92,838,747.45x = 128,111,855.27 × 51,584,229.21
  4. Step 4: Simplify right side
    92,838,747.45x = 6,608,551,306,508,105
  5. Step 5: Solve for x
    x = 6,608,551,306,508,105/92,838,747.45
  6. Step 6: Final answer
    x = 71,183,115.76

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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.