Home / 170,682,014.40-255,919,344.39-66,926,919.30

Finding the Fourth Proportional to 170,682,014.40, 255,919,344.39 and 66,926,919.30

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Solution

The fourth proportional to 170,682,014.40, 255,919,344.39 and 66,926,919.30 is: 100,349,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,682,014.40 : 255,919,344.39 = 66,926,919.30 : x
  2. Step 2: Convert to fraction form
    170,682,014.40/255,919,344.39 = 66,926,919.30/x
  3. Step 3: Cross multiply
    170,682,014.40x = 255,919,344.39 × 66,926,919.30
  4. Step 4: Simplify right side
    170,682,014.40x = 17,127,893,309,298,436
  5. Step 5: Solve for x
    x = 17,127,893,309,298,436/170,682,014.40
  6. Step 6: Final answer
    x = 100,349,725.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.