Home / 86,317,675.44-129,364,909.96-64,581,738.56

Finding the Fourth Proportional to 86,317,675.44, 129,364,909.96 and 64,581,738.56

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Solution

The fourth proportional to 86,317,675.44, 129,364,909.96 and 64,581,738.56 is: 96,789,107.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,317,675.44 : 129,364,909.96 = 64,581,738.56 : x
  2. Step 2: Convert to fraction form
    86,317,675.44/129,364,909.96 = 64,581,738.56/x
  3. Step 3: Cross multiply
    86,317,675.44x = 129,364,909.96 × 64,581,738.56
  4. Step 4: Simplify right side
    86,317,675.44x = 8,354,610,793,874,660
  5. Step 5: Solve for x
    x = 8,354,610,793,874,660/86,317,675.44
  6. Step 6: Final answer
    x = 96,789,107.81

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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.