Home / 172,603,452.61-258,903,404.61-99,773,891.83

Finding the Fourth Proportional to 172,603,452.61, 258,903,404.61 and 99,773,891.83

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Solution

The fourth proportional to 172,603,452.61, 258,903,404.61 and 99,773,891.83 is: 149,659,812.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,603,452.61 : 258,903,404.61 = 99,773,891.83 : x
  2. Step 2: Convert to fraction form
    172,603,452.61/258,903,404.61 = 99,773,891.83/x
  3. Step 3: Cross multiply
    172,603,452.61x = 258,903,404.61 × 99,773,891.83
  4. Step 4: Simplify right side
    172,603,452.61x = 25,831,800,285,976,864
  5. Step 5: Solve for x
    x = 25,831,800,285,976,864/172,603,452.61
  6. Step 6: Final answer
    x = 149,659,812.10

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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.