Home / 69,349,878.40-95,767,163.04-51,915,956.80

Finding the Fourth Proportional to 69,349,878.40, 95,767,163.04 and 51,915,956.80

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Solution

The fourth proportional to 69,349,878.40, 95,767,163.04 and 51,915,956.80 is: 71,692,179.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,349,878.40 : 95,767,163.04 = 51,915,956.80 : x
  2. Step 2: Convert to fraction form
    69,349,878.40/95,767,163.04 = 51,915,956.80/x
  3. Step 3: Cross multiply
    69,349,878.40x = 95,767,163.04 × 51,915,956.80
  4. Step 4: Simplify right side
    69,349,878.40x = 4,971,843,899,243,197
  5. Step 5: Solve for x
    x = 4,971,843,899,243,197/69,349,878.40
  6. Step 6: Final answer
    x = 71,692,179.05

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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.