Home / 57,093,275.08-78,786,612.12-30,987,232.36

Finding the Fourth Proportional to 57,093,275.08, 78,786,612.12 and 30,987,232.36

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Solution

The fourth proportional to 57,093,275.08, 78,786,612.12 and 30,987,232.36 is: 42,761,236.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,093,275.08 : 78,786,612.12 = 30,987,232.36 : x
  2. Step 2: Convert to fraction form
    57,093,275.08/78,786,612.12 = 30,987,232.36/x
  3. Step 3: Cross multiply
    57,093,275.08x = 78,786,612.12 × 30,987,232.36
  4. Step 4: Simplify right side
    57,093,275.08x = 2,441,379,056,619,632.50
  5. Step 5: Solve for x
    x = 2,441,379,056,619,632.50/57,093,275.08
  6. Step 6: Final answer
    x = 42,761,236.82

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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.