Home / 310,120,885.68-427,969,692.41-170,896,629.84

Finding the Fourth Proportional to 310,120,885.68, 427,969,692.41 and 170,896,629.84

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Solution

The fourth proportional to 310,120,885.68, 427,969,692.41 and 170,896,629.84 is: 235,838,930.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,120,885.68 : 427,969,692.41 = 170,896,629.84 : x
  2. Step 2: Convert to fraction form
    310,120,885.68/427,969,692.41 = 170,896,629.84/x
  3. Step 3: Cross multiply
    310,120,885.68x = 427,969,692.41 × 170,896,629.84
  4. Step 4: Simplify right side
    310,120,885.68x = 73,138,578,106,530,432
  5. Step 5: Solve for x
    x = 73,138,578,106,530,432/310,120,885.68
  6. Step 6: Final answer
    x = 235,838,930.83

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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.