Home / 86,215,723.88-119,133,331.32-61,392,815.40

Finding the Fourth Proportional to 86,215,723.88, 119,133,331.32 and 61,392,815.40

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Solution

The fourth proportional to 86,215,723.88, 119,133,331.32 and 61,392,815.40 is: 84,832,908.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,215,723.88 : 119,133,331.32 = 61,392,815.40 : x
  2. Step 2: Convert to fraction form
    86,215,723.88/119,133,331.32 = 61,392,815.40/x
  3. Step 3: Cross multiply
    86,215,723.88x = 119,133,331.32 × 61,392,815.40
  4. Step 4: Simplify right side
    86,215,723.88x = 7,313,930,617,715,798
  5. Step 5: Solve for x
    x = 7,313,930,617,715,798/86,215,723.88
  6. Step 6: Final answer
    x = 84,832,908.53

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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.