Home / 86,436,893.84-129,655,559.46-35,318,912.66

Finding the Fourth Proportional to 86,436,893.84, 129,655,559.46 and 35,318,912.66

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Solution

The fourth proportional to 86,436,893.84, 129,655,559.46 and 35,318,912.66 is: 52,978,458.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,436,893.84 : 129,655,559.46 = 35,318,912.66 : x
  2. Step 2: Convert to fraction form
    86,436,893.84/129,655,559.46 = 35,318,912.66/x
  3. Step 3: Cross multiply
    86,436,893.84x = 129,655,559.46 × 35,318,912.66
  4. Step 4: Simplify right side
    86,436,893.84x = 4,579,293,379,802,899
  5. Step 5: Solve for x
    x = 4,579,293,379,802,899/86,436,893.84
  6. Step 6: Final answer
    x = 52,978,458.35

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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.