Home / 86,317,677.44-129,364,912.98-64,581,740.54

Finding the Fourth Proportional to 86,317,677.44, 129,364,912.98 and 64,581,740.54

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Solution

The fourth proportional to 86,317,677.44, 129,364,912.98 and 64,581,740.54 is: 96,789,110.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,317,677.44 : 129,364,912.98 = 64,581,740.54 : x
  2. Step 2: Convert to fraction form
    86,317,677.44/129,364,912.98 = 64,581,740.54/x
  3. Step 3: Cross multiply
    86,317,677.44x = 129,364,912.98 × 64,581,740.54
  4. Step 4: Simplify right side
    86,317,677.44x = 8,354,611,245,054,038
  5. Step 5: Solve for x
    x = 8,354,611,245,054,038/86,317,677.44
  6. Step 6: Final answer
    x = 96,789,110.79

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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.