Home / 121,997,311.80-183,137,685.30-73,529,892.60

Finding the Fourth Proportional to 121,997,311.80, 183,137,685.30 and 73,529,892.60

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Solution

The fourth proportional to 121,997,311.80, 183,137,685.30 and 73,529,892.60 is: 110,380,254.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,997,311.80 : 183,137,685.30 = 73,529,892.60 : x
  2. Step 2: Convert to fraction form
    121,997,311.80/183,137,685.30 = 73,529,892.60/x
  3. Step 3: Cross multiply
    121,997,311.80x = 183,137,685.30 × 73,529,892.60
  4. Step 4: Simplify right side
    121,997,311.80x = 13,466,094,331,121,598
  5. Step 5: Solve for x
    x = 13,466,094,331,121,598/121,997,311.80
  6. Step 6: Final answer
    x = 110,380,254.55

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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.