Home / 52,467,682.59-78,711,611.49-20,117,062.08

Finding the Fourth Proportional to 52,467,682.59, 78,711,611.49 and 20,117,062.08

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Solution

The fourth proportional to 52,467,682.59, 78,711,611.49 and 20,117,062.08 is: 30,179,460.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,467,682.59 : 78,711,611.49 = 20,117,062.08 : x
  2. Step 2: Convert to fraction form
    52,467,682.59/78,711,611.49 = 20,117,062.08/x
  3. Step 3: Cross multiply
    52,467,682.59x = 78,711,611.49 × 20,117,062.08
  4. Step 4: Simplify right side
    52,467,682.59x = 1,583,446,374,761,171
  5. Step 5: Solve for x
    x = 1,583,446,374,761,171/52,467,682.59
  6. Step 6: Final answer
    x = 30,179,460.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.