Home / 203,286,113.84-280,538,990.04-110,472,600.56

Finding the Fourth Proportional to 203,286,113.84, 280,538,990.04 and 110,472,600.56

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Solution

The fourth proportional to 203,286,113.84, 280,538,990.04 and 110,472,600.56 is: 152,454,445.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,286,113.84 : 280,538,990.04 = 110,472,600.56 : x
  2. Step 2: Convert to fraction form
    203,286,113.84/280,538,990.04 = 110,472,600.56/x
  3. Step 3: Cross multiply
    203,286,113.84x = 280,538,990.04 × 110,472,600.56
  4. Step 4: Simplify right side
    203,286,113.84x = 30,991,871,788,194,740
  5. Step 5: Solve for x
    x = 30,991,871,788,194,740/203,286,113.84
  6. Step 6: Final answer
    x = 152,454,445.62

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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.