Home / 71,985,624.31-99,408,770.06-68,063,893.43

Finding the Fourth Proportional to 71,985,624.31, 99,408,770.06 and 68,063,893.43

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Solution

The fourth proportional to 71,985,624.31, 99,408,770.06 and 68,063,893.43 is: 93,993,043.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,985,624.31 : 99,408,770.06 = 68,063,893.43 : x
  2. Step 2: Convert to fraction form
    71,985,624.31/99,408,770.06 = 68,063,893.43/x
  3. Step 3: Cross multiply
    71,985,624.31x = 99,408,770.06 × 68,063,893.43
  4. Step 4: Simplify right side
    71,985,624.31x = 6,766,147,931,201,056
  5. Step 5: Solve for x
    x = 6,766,147,931,201,056/71,985,624.31
  6. Step 6: Final answer
    x = 93,993,043.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.