Home / 71,253,832.80-106,796,768.40-53,281,941.60

Finding the Fourth Proportional to 71,253,832.80, 106,796,768.40 and 53,281,941.60

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Solution

The fourth proportional to 71,253,832.80, 106,796,768.40 and 53,281,941.60 is: 79,860,113.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,253,832.80 : 106,796,768.40 = 53,281,941.60 : x
  2. Step 2: Convert to fraction form
    71,253,832.80/106,796,768.40 = 53,281,941.60/x
  3. Step 3: Cross multiply
    71,253,832.80x = 106,796,768.40 × 53,281,941.60
  4. Step 4: Simplify right side
    71,253,832.80x = 5,690,339,176,957,526
  5. Step 5: Solve for x
    x = 5,690,339,176,957,526/71,253,832.80
  6. Step 6: Final answer
    x = 79,860,113.53

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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.