Home / 57,171,231.45-78,896,149.47-31,065,750.36

Finding the Fourth Proportional to 57,171,231.45, 78,896,149.47 and 31,065,750.36

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Solution

The fourth proportional to 57,171,231.45, 78,896,149.47 and 31,065,750.36 is: 42,870,654.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,171,231.45 : 78,896,149.47 = 31,065,750.36 : x
  2. Step 2: Convert to fraction form
    57,171,231.45/78,896,149.47 = 31,065,750.36/x
  3. Step 3: Cross multiply
    57,171,231.45x = 78,896,149.47 × 31,065,750.36
  4. Step 4: Simplify right side
    57,171,231.45x = 2,450,968,083,800,266
  5. Step 5: Solve for x
    x = 2,450,968,083,800,266/57,171,231.45
  6. Step 6: Final answer
    x = 42,870,654.03

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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.