Home / 86,215,722.12-119,133,328.91-61,392,813.66

Finding the Fourth Proportional to 86,215,722.12, 119,133,328.91 and 61,392,813.66

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Solution

The fourth proportional to 86,215,722.12, 119,133,328.91 and 61,392,813.66 is: 84,832,906.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,215,722.12 : 119,133,328.91 = 61,392,813.66 : x
  2. Step 2: Convert to fraction form
    86,215,722.12/119,133,328.91 = 61,392,813.66/x
  3. Step 3: Cross multiply
    86,215,722.12x = 119,133,328.91 × 61,392,813.66
  4. Step 4: Simplify right side
    86,215,722.12x = 7,313,930,262,160,156
  5. Step 5: Solve for x
    x = 7,313,930,262,160,156/86,215,722.12
  6. Step 6: Final answer
    x = 84,832,906.14

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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.