Home / 88,214,439.30-132,069,716.55-85,695,015.30

Finding the Fourth Proportional to 88,214,439.30, 132,069,716.55 and 85,695,015.30

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Solution

The fourth proportional to 88,214,439.30, 132,069,716.55 and 85,695,015.30 is: 128,297,776.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,214,439.30 : 132,069,716.55 = 85,695,015.30 : x
  2. Step 2: Convert to fraction form
    88,214,439.30/132,069,716.55 = 85,695,015.30/x
  3. Step 3: Cross multiply
    88,214,439.30x = 132,069,716.55 × 85,695,015.30
  4. Step 4: Simplify right side
    88,214,439.30x = 11,317,716,380,418,912
  5. Step 5: Solve for x
    x = 11,317,716,380,418,912/88,214,439.30
  6. Step 6: Final answer
    x = 128,297,776.08

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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.