Home / 310,120,882.80-427,969,688.43-170,896,626.96

Finding the Fourth Proportional to 310,120,882.80, 427,969,688.43 and 170,896,626.96

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Solution

The fourth proportional to 310,120,882.80, 427,969,688.43 and 170,896,626.96 is: 235,838,926.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,120,882.80 : 427,969,688.43 = 170,896,626.96 : x
  2. Step 2: Convert to fraction form
    310,120,882.80/427,969,688.43 = 170,896,626.96/x
  3. Step 3: Cross multiply
    310,120,882.80x = 427,969,688.43 × 170,896,626.96
  4. Step 4: Simplify right side
    310,120,882.80x = 73,138,576,193,809,136
  5. Step 5: Solve for x
    x = 73,138,576,193,809,136/310,120,882.80
  6. Step 6: Final answer
    x = 235,838,926.85

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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.