Home / 109,716,660.45-164,574,990.68-99,672,425.55

Finding the Fourth Proportional to 109,716,660.45, 164,574,990.68 and 99,672,425.55

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Solution

The fourth proportional to 109,716,660.45, 164,574,990.68 and 99,672,425.55 is: 149,508,638.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,716,660.45 : 164,574,990.68 = 99,672,425.55 : x
  2. Step 2: Convert to fraction form
    109,716,660.45/164,574,990.68 = 99,672,425.55/x
  3. Step 3: Cross multiply
    109,716,660.45x = 164,574,990.68 × 99,672,425.55
  4. Step 4: Simplify right side
    109,716,660.45x = 16,403,588,505,445,882
  5. Step 5: Solve for x
    x = 16,403,588,505,445,882/109,716,660.45
  6. Step 6: Final answer
    x = 149,508,638.33

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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.