Home / 99,043,860.54-136,684,796.34-54,990,861.54

Finding the Fourth Proportional to 99,043,860.54, 136,684,796.34 and 54,990,861.54

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Solution

The fourth proportional to 99,043,860.54, 136,684,796.34 and 54,990,861.54 is: 75,889,759.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,043,860.54 : 136,684,796.34 = 54,990,861.54 : x
  2. Step 2: Convert to fraction form
    99,043,860.54/136,684,796.34 = 54,990,861.54/x
  3. Step 3: Cross multiply
    99,043,860.54x = 136,684,796.34 × 54,990,861.54
  4. Step 4: Simplify right side
    99,043,860.54x = 7,516,414,710,156,039
  5. Step 5: Solve for x
    x = 7,516,414,710,156,039/99,043,860.54
  6. Step 6: Final answer
    x = 75,889,759.03

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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.