Home / 221,763,535.40-305,999,680.56-127,659,492.12

Finding the Fourth Proportional to 221,763,535.40, 305,999,680.56 and 127,659,492.12

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Solution

The fourth proportional to 221,763,535.40, 305,999,680.56 and 127,659,492.12 is: 176,150,527.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,763,535.40 : 305,999,680.56 = 127,659,492.12 : x
  2. Step 2: Convert to fraction form
    221,763,535.40/305,999,680.56 = 127,659,492.12/x
  3. Step 3: Cross multiply
    221,763,535.40x = 305,999,680.56 × 127,659,492.12
  4. Step 4: Simplify right side
    221,763,535.40x = 39,063,763,809,171,840
  5. Step 5: Solve for x
    x = 39,063,763,809,171,840/221,763,535.40
  6. Step 6: Final answer
    x = 176,150,527.81

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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.