Home / 57,170,785.94-78,896,183.68-31,065,303.04

Finding the Fourth Proportional to 57,170,785.94, 78,896,183.68 and 31,065,303.04

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Solution

The fourth proportional to 57,170,785.94, 78,896,183.68 and 31,065,303.04 is: 42,870,389.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,170,785.94 : 78,896,183.68 = 31,065,303.04 : x
  2. Step 2: Convert to fraction form
    57,170,785.94/78,896,183.68 = 31,065,303.04/x
  3. Step 3: Cross multiply
    57,170,785.94x = 78,896,183.68 × 31,065,303.04
  4. Step 4: Simplify right side
    57,170,785.94x = 2,450,933,854,718,702.50
  5. Step 5: Solve for x
    x = 2,450,933,854,718,702.50/57,170,785.94
  6. Step 6: Final answer
    x = 42,870,389.39

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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.