Home / 57,415,216.72-79,234,911.84-31,311,158.80

Finding the Fourth Proportional to 57,415,216.72, 79,234,911.84 and 31,311,158.80

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Solution

The fourth proportional to 57,415,216.72, 79,234,911.84 and 31,311,158.80 is: 43,210,442.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,415,216.72 : 79,234,911.84 = 31,311,158.80 : x
  2. Step 2: Convert to fraction form
    57,415,216.72/79,234,911.84 = 31,311,158.80/x
  3. Step 3: Cross multiply
    57,415,216.72x = 79,234,911.84 × 31,311,158.80
  4. Step 4: Simplify right side
    57,415,216.72x = 2,480,936,907,126,240.50
  5. Step 5: Solve for x
    x = 2,480,936,907,126,240.50/57,415,216.72
  6. Step 6: Final answer
    x = 43,210,442.26

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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.