Home / 221,289,492.75-305,517,317.91-140,866,861.88

Finding the Fourth Proportional to 221,289,492.75, 305,517,317.91 and 140,866,861.88

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Solution

The fourth proportional to 221,289,492.75, 305,517,317.91 and 140,866,861.88 is: 194,484,000.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,289,492.75 : 305,517,317.91 = 140,866,861.88 : x
  2. Step 2: Convert to fraction form
    221,289,492.75/305,517,317.91 = 140,866,861.88/x
  3. Step 3: Cross multiply
    221,289,492.75x = 305,517,317.91 × 140,866,861.88
  4. Step 4: Simplify right side
    221,289,492.75x = 43,037,265,823,212,232
  5. Step 5: Solve for x
    x = 43,037,265,823,212,232/221,289,492.75
  6. Step 6: Final answer
    x = 194,484,000.52

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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.