Home / 178,019,855.20-267,029,782.80-109,145,101.60

Finding the Fourth Proportional to 178,019,855.20, 267,029,782.80 and 109,145,101.60

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Solution

The fourth proportional to 178,019,855.20, 267,029,782.80 and 109,145,101.60 is: 163,717,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,019,855.20 : 267,029,782.80 = 109,145,101.60 : x
  2. Step 2: Convert to fraction form
    178,019,855.20/267,029,782.80 = 109,145,101.60/x
  3. Step 3: Cross multiply
    178,019,855.20x = 267,029,782.80 × 109,145,101.60
  4. Step 4: Simplify right side
    178,019,855.20x = 29,144,992,773,931,932
  5. Step 5: Solve for x
    x = 29,144,992,773,931,932/178,019,855.20
  6. Step 6: Final answer
    x = 163,717,652.40

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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.