Home / 221,289,492.50-305,517,317.57-140,866,861.63

Finding the Fourth Proportional to 221,289,492.50, 305,517,317.57 and 140,866,861.63

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Solution

The fourth proportional to 221,289,492.50, 305,517,317.57 and 140,866,861.63 is: 194,484,000.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,289,492.50 : 305,517,317.57 = 140,866,861.63 : x
  2. Step 2: Convert to fraction form
    221,289,492.50/305,517,317.57 = 140,866,861.63/x
  3. Step 3: Cross multiply
    221,289,492.50x = 305,517,317.57 × 140,866,861.63
  4. Step 4: Simplify right side
    221,289,492.50x = 43,037,265,698,233,832
  5. Step 5: Solve for x
    x = 43,037,265,698,233,832/221,289,492.50
  6. Step 6: Final answer
    x = 194,484,000.18

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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.