Home / 121,997,329.30-183,137,711.55-73,529,910.10

Finding the Fourth Proportional to 121,997,329.30, 183,137,711.55 and 73,529,910.10

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Solution

The fourth proportional to 121,997,329.30, 183,137,711.55 and 73,529,910.10 is: 110,380,280.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,997,329.30 : 183,137,711.55 = 73,529,910.10 : x
  2. Step 2: Convert to fraction form
    121,997,329.30/183,137,711.55 = 73,529,910.10/x
  3. Step 3: Cross multiply
    121,997,329.30x = 183,137,711.55 × 73,529,910.10
  4. Step 4: Simplify right side
    121,997,329.30x = 13,466,099,466,191,232
  5. Step 5: Solve for x
    x = 13,466,099,466,191,232/121,997,329.30
  6. Step 6: Final answer
    x = 110,380,280.81

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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.