Home / 99,043,824.88-136,684,747.16-54,990,825.88

Finding the Fourth Proportional to 99,043,824.88, 136,684,747.16 and 54,990,825.88

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Solution

The fourth proportional to 99,043,824.88, 136,684,747.16 and 54,990,825.88 is: 75,889,709.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,043,824.88 : 136,684,747.16 = 54,990,825.88 : x
  2. Step 2: Convert to fraction form
    99,043,824.88/136,684,747.16 = 54,990,825.88/x
  3. Step 3: Cross multiply
    99,043,824.88x = 136,684,747.16 × 54,990,825.88
  4. Step 4: Simplify right side
    99,043,824.88x = 7,516,407,131,527,385
  5. Step 5: Solve for x
    x = 7,516,407,131,527,385/99,043,824.88
  6. Step 6: Final answer
    x = 75,889,709.84

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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.