Home / 86,813,222.78-119,801,774.45-47,655,665.75

Finding the Fourth Proportional to 86,813,222.78, 119,801,774.45 and 47,655,665.75

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Solution

The fourth proportional to 86,813,222.78, 119,801,774.45 and 47,655,665.75 is: 65,764,559.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,813,222.78 : 119,801,774.45 = 47,655,665.75 : x
  2. Step 2: Convert to fraction form
    86,813,222.78/119,801,774.45 = 47,655,665.75/x
  3. Step 3: Cross multiply
    86,813,222.78x = 119,801,774.45 × 47,655,665.75
  4. Step 4: Simplify right side
    86,813,222.78x = 5,709,233,319,864,733
  5. Step 5: Solve for x
    x = 5,709,233,319,864,733/86,813,222.78
  6. Step 6: Final answer
    x = 65,764,559.09

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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.