Home / 90,961,435.94-125,526,781.89-51,806,856.06

Finding the Fourth Proportional to 90,961,435.94, 125,526,781.89 and 51,806,856.06

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Solution

The fourth proportional to 90,961,435.94, 125,526,781.89 and 51,806,856.06 is: 71,493,461.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,961,435.94 : 125,526,781.89 = 51,806,856.06 : x
  2. Step 2: Convert to fraction form
    90,961,435.94/125,526,781.89 = 51,806,856.06/x
  3. Step 3: Cross multiply
    90,961,435.94x = 125,526,781.89 × 51,806,856.06
  4. Step 4: Simplify right side
    90,961,435.94x = 6,503,147,921,050,245
  5. Step 5: Solve for x
    x = 6,503,147,921,050,245/90,961,435.94
  6. Step 6: Final answer
    x = 71,493,461.53

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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.