Home / 90,501,120.42-135,765,187.83-41,983,878.66

Finding the Fourth Proportional to 90,501,120.42, 135,765,187.83 and 41,983,878.66

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Solution

The fourth proportional to 90,501,120.42, 135,765,187.83 and 41,983,878.66 is: 62,982,084.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,501,120.42 : 135,765,187.83 = 41,983,878.66 : x
  2. Step 2: Convert to fraction form
    90,501,120.42/135,765,187.83 = 41,983,878.66/x
  3. Step 3: Cross multiply
    90,501,120.42x = 135,765,187.83 × 41,983,878.66
  4. Step 4: Simplify right side
    90,501,120.42x = 5,699,949,172,106,829
  5. Step 5: Solve for x
    x = 5,699,949,172,106,829/90,501,120.42
  6. Step 6: Final answer
    x = 62,982,084.04

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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.