Home / 144,836,270.04-199,825,139.10-82,105,642.68

Finding the Fourth Proportional to 144,836,270.04, 199,825,139.10 and 82,105,642.68

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Solution

The fourth proportional to 144,836,270.04, 199,825,139.10 and 82,105,642.68 is: 113,278,058.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,836,270.04 : 199,825,139.10 = 82,105,642.68 : x
  2. Step 2: Convert to fraction form
    144,836,270.04/199,825,139.10 = 82,105,642.68/x
  3. Step 3: Cross multiply
    144,836,270.04x = 199,825,139.10 × 82,105,642.68
  4. Step 4: Simplify right side
    144,836,270.04x = 16,406,771,469,425,898
  5. Step 5: Solve for x
    x = 16,406,771,469,425,898/144,836,270.04
  6. Step 6: Final answer
    x = 113,278,058.49

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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.