Home / 57,170,776.10-78,896,170.14-31,065,293.30

Finding the Fourth Proportional to 57,170,776.10, 78,896,170.14 and 31,065,293.30

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Solution

The fourth proportional to 57,170,776.10, 78,896,170.14 and 31,065,293.30 is: 42,870,375.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,170,776.10 : 78,896,170.14 = 31,065,293.30 : x
  2. Step 2: Convert to fraction form
    57,170,776.10/78,896,170.14 = 31,065,293.30/x
  3. Step 3: Cross multiply
    57,170,776.10x = 78,896,170.14 × 31,065,293.30
  4. Step 4: Simplify right side
    57,170,776.10x = 2,450,932,665,645,802
  5. Step 5: Solve for x
    x = 2,450,932,665,645,802/57,170,776.10
  6. Step 6: Final answer
    x = 42,870,375.97

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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.