Home / 68,915,731.70-95,104,347.48-37,977,008.12

Finding the Fourth Proportional to 68,915,731.70, 95,104,347.48 and 37,977,008.12

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Solution

The fourth proportional to 68,915,731.70, 95,104,347.48 and 37,977,008.12 is: 52,408,622.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,915,731.70 : 95,104,347.48 = 37,977,008.12 : x
  2. Step 2: Convert to fraction form
    68,915,731.70/95,104,347.48 = 37,977,008.12/x
  3. Step 3: Cross multiply
    68,915,731.70x = 95,104,347.48 × 37,977,008.12
  4. Step 4: Simplify right side
    68,915,731.70x = 3,611,778,576,495,261.50
  5. Step 5: Solve for x
    x = 3,611,778,576,495,261.50/68,915,731.70
  6. Step 6: Final answer
    x = 52,408,622.64

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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.