Home / 76,623,366.82-105,800,494.80-61,691,258.47

Finding the Fourth Proportional to 76,623,366.82, 105,800,494.80 and 61,691,258.47

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Solution

The fourth proportional to 76,623,366.82, 105,800,494.80 and 61,691,258.47 is: 85,182,444.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,623,366.82 : 105,800,494.80 = 61,691,258.47 : x
  2. Step 2: Convert to fraction form
    76,623,366.82/105,800,494.80 = 61,691,258.47/x
  3. Step 3: Cross multiply
    76,623,366.82x = 105,800,494.80 × 61,691,258.47
  4. Step 4: Simplify right side
    76,623,366.82x = 6,526,965,670,806,463
  5. Step 5: Solve for x
    x = 6,526,965,670,806,463/76,623,366.82
  6. Step 6: Final answer
    x = 85,182,444.23

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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.