Home / 57,140,939.18-78,854,062.44-31,035,643.85

Finding the Fourth Proportional to 57,140,939.18, 78,854,062.44 and 31,035,643.85

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Solution

The fourth proportional to 57,140,939.18, 78,854,062.44 and 31,035,643.85 is: 42,828,952.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,140,939.18 : 78,854,062.44 = 31,035,643.85 : x
  2. Step 2: Convert to fraction form
    57,140,939.18/78,854,062.44 = 31,035,643.85/x
  3. Step 3: Cross multiply
    57,140,939.18x = 78,854,062.44 × 31,035,643.85
  4. Step 4: Simplify right side
    57,140,939.18x = 2,447,286,597,619,231.50
  5. Step 5: Solve for x
    x = 2,447,286,597,619,231.50/57,140,939.18
  6. Step 6: Final answer
    x = 42,828,952.99

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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.