Home / 86,813,284.76-119,801,860.08-47,655,727.88

Finding the Fourth Proportional to 86,813,284.76, 119,801,860.08 and 47,655,727.88

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Solution

The fourth proportional to 86,813,284.76, 119,801,860.08 and 47,655,727.88 is: 65,764,644.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,813,284.76 : 119,801,860.08 = 47,655,727.88 : x
  2. Step 2: Convert to fraction form
    86,813,284.76/119,801,860.08 = 47,655,727.88/x
  3. Step 3: Cross multiply
    86,813,284.76x = 119,801,860.08 × 47,655,727.88
  4. Step 4: Simplify right side
    86,813,284.76x = 5,709,244,843,490,315
  5. Step 5: Solve for x
    x = 5,709,244,843,490,315/86,813,284.76
  6. Step 6: Final answer
    x = 65,764,644.88

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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.