Home / 126,701,908.38-174,848,633.51-68,755,156.38

Finding the Fourth Proportional to 126,701,908.38, 174,848,633.51 and 68,755,156.38

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Solution

The fourth proportional to 126,701,908.38, 174,848,633.51 and 68,755,156.38 is: 94,882,115.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,701,908.38 : 174,848,633.51 = 68,755,156.38 : x
  2. Step 2: Convert to fraction form
    126,701,908.38/174,848,633.51 = 68,755,156.38/x
  3. Step 3: Cross multiply
    126,701,908.38x = 174,848,633.51 × 68,755,156.38
  4. Step 4: Simplify right side
    126,701,908.38x = 12,021,745,139,465,582
  5. Step 5: Solve for x
    x = 12,021,745,139,465,582/126,701,908.38
  6. Step 6: Final answer
    x = 94,882,115.77

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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.