Home / 141,527,039.40-212,371,456.23-76,836,104.28

Finding the Fourth Proportional to 141,527,039.40, 212,371,456.23 and 76,836,104.28

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Solution

The fourth proportional to 141,527,039.40, 212,371,456.23 and 76,836,104.28 is: 115,298,076.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,527,039.40 : 212,371,456.23 = 76,836,104.28 : x
  2. Step 2: Convert to fraction form
    141,527,039.40/212,371,456.23 = 76,836,104.28/x
  3. Step 3: Cross multiply
    141,527,039.40x = 212,371,456.23 × 76,836,104.28
  4. Step 4: Simplify right side
    141,527,039.40x = 16,317,795,356,983,736
  5. Step 5: Solve for x
    x = 16,317,795,356,983,736/141,527,039.40
  6. Step 6: Final answer
    x = 115,298,076.09

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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.