Home / 271,431,014.40-407,146,521.60-194,903,510.40

Finding the Fourth Proportional to 271,431,014.40, 407,146,521.60 and 194,903,510.40

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Solution

The fourth proportional to 271,431,014.40, 407,146,521.60 and 194,903,510.40 is: 292,355,265.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,431,014.40 : 407,146,521.60 = 194,903,510.40 : x
  2. Step 2: Convert to fraction form
    271,431,014.40/407,146,521.60 = 194,903,510.40/x
  3. Step 3: Cross multiply
    271,431,014.40x = 407,146,521.60 × 194,903,510.40
  4. Step 4: Simplify right side
    271,431,014.40x = 79,354,286,306,989,424
  5. Step 5: Solve for x
    x = 79,354,286,306,989,424/271,431,014.40
  6. Step 6: Final answer
    x = 292,355,265.60

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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.