Home / 170,682,069.87-255,919,427.64-66,926,974.77

Finding the Fourth Proportional to 170,682,069.87, 255,919,427.64 and 66,926,974.77

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Solution

The fourth proportional to 170,682,069.87, 255,919,427.64 and 66,926,974.77 is: 100,349,808.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,682,069.87 : 255,919,427.64 = 66,926,974.77 : x
  2. Step 2: Convert to fraction form
    170,682,069.87/255,919,427.64 = 66,926,974.77/x
  3. Step 3: Cross multiply
    170,682,069.87x = 255,919,427.64 × 66,926,974.77
  4. Step 4: Simplify right side
    170,682,069.87x = 17,127,913,076,815,120
  5. Step 5: Solve for x
    x = 17,127,913,076,815,120/170,682,069.87
  6. Step 6: Final answer
    x = 100,349,808.80

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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.