Home / 67,979,628.71-101,989,340.93-21,920,571.41

Finding the Fourth Proportional to 67,979,628.71, 101,989,340.93 and 21,920,571.41

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Solution

The fourth proportional to 67,979,628.71, 101,989,340.93 and 21,920,571.41 is: 32,887,273.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,979,628.71 : 101,989,340.93 = 21,920,571.41 : x
  2. Step 2: Convert to fraction form
    67,979,628.71/101,989,340.93 = 21,920,571.41/x
  3. Step 3: Cross multiply
    67,979,628.71x = 101,989,340.93 × 21,920,571.41
  4. Step 4: Simplify right side
    67,979,628.71x = 2,235,664,630,459,755.75
  5. Step 5: Solve for x
    x = 2,235,664,630,459,755.75/67,979,628.71
  6. Step 6: Final answer
    x = 32,887,273.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.