Home / 165,137,410.60-247,706,115.90-68,043,139.90

Finding the Fourth Proportional to 165,137,410.60, 247,706,115.90 and 68,043,139.90

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Solution

The fourth proportional to 165,137,410.60, 247,706,115.90 and 68,043,139.90 is: 102,064,709.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,137,410.60 : 247,706,115.90 = 68,043,139.90 : x
  2. Step 2: Convert to fraction form
    165,137,410.60/247,706,115.90 = 68,043,139.90/x
  3. Step 3: Cross multiply
    165,137,410.60x = 247,706,115.90 × 68,043,139.90
  4. Step 4: Simplify right side
    165,137,410.60x = 16,854,701,898,269,316
  5. Step 5: Solve for x
    x = 16,854,701,898,269,316/165,137,410.60
  6. Step 6: Final answer
    x = 102,064,709.85

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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.