Home / 86,215,709.54-119,133,311.47-61,392,801.03

Finding the Fourth Proportional to 86,215,709.54, 119,133,311.47 and 61,392,801.03

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Solution

The fourth proportional to 86,215,709.54, 119,133,311.47 and 61,392,801.03 is: 84,832,888.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,215,709.54 : 119,133,311.47 = 61,392,801.03 : x
  2. Step 2: Convert to fraction form
    86,215,709.54/119,133,311.47 = 61,392,801.03/x
  3. Step 3: Cross multiply
    86,215,709.54x = 119,133,311.47 × 61,392,801.03
  4. Step 4: Simplify right side
    86,215,709.54x = 7,313,927,687,122,727
  5. Step 5: Solve for x
    x = 7,313,927,687,122,727/86,215,709.54
  6. Step 6: Final answer
    x = 84,832,888.65

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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.