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Finding the Fourth Proportional to 61,882,551.66, 85,392,914.67 and 35,778,744.30

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Solution

The fourth proportional to 61,882,551.66, 85,392,914.67 and 35,778,744.30 is: 49,371,772.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,882,551.66 : 85,392,914.67 = 35,778,744.30 : x
  2. Step 2: Convert to fraction form
    61,882,551.66/85,392,914.67 = 35,778,744.30/x
  3. Step 3: Cross multiply
    61,882,551.66x = 85,392,914.67 × 35,778,744.30
  4. Step 4: Simplify right side
    61,882,551.66x = 3,055,251,259,009,648.50
  5. Step 5: Solve for x
    x = 3,055,251,259,009,648.50/61,882,551.66
  6. Step 6: Final answer
    x = 49,371,772.45

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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.