Home / 178,019,739.70-267,029,609.55-109,144,986.10

Finding the Fourth Proportional to 178,019,739.70, 267,029,609.55 and 109,144,986.10

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Solution

The fourth proportional to 178,019,739.70, 267,029,609.55 and 109,144,986.10 is: 163,717,479.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,019,739.70 : 267,029,609.55 = 109,144,986.10 : x
  2. Step 2: Convert to fraction form
    178,019,739.70/267,029,609.55 = 109,144,986.10/x
  3. Step 3: Cross multiply
    178,019,739.70x = 267,029,609.55 × 109,144,986.10
  4. Step 4: Simplify right side
    178,019,739.70x = 29,144,943,022,623,176
  5. Step 5: Solve for x
    x = 29,144,943,022,623,176/178,019,739.70
  6. Step 6: Final answer
    x = 163,717,479.15

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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.