Home / 132,299,126.84-198,494,187.15-77,757,344.30

Finding the Fourth Proportional to 132,299,126.84, 198,494,187.15 and 77,757,344.30

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Solution

The fourth proportional to 132,299,126.84, 198,494,187.15 and 77,757,344.30 is: 116,662,756.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,299,126.84 : 198,494,187.15 = 77,757,344.30 : x
  2. Step 2: Convert to fraction form
    132,299,126.84/198,494,187.15 = 77,757,344.30/x
  3. Step 3: Cross multiply
    132,299,126.84x = 198,494,187.15 × 77,757,344.30
  4. Step 4: Simplify right side
    132,299,126.84x = 15,434,380,851,771,186
  5. Step 5: Solve for x
    x = 15,434,380,851,771,186/132,299,126.84
  6. Step 6: Final answer
    x = 116,662,756.74

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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.