Home / 275,342,727.60-412,892,893.32-145,920,015.14

Finding the Fourth Proportional to 275,342,727.60, 412,892,893.32 and 145,920,015.14

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Solution

The fourth proportional to 275,342,727.60, 412,892,893.32 and 145,920,015.14 is: 218,815,792.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,342,727.60 : 412,892,893.32 = 145,920,015.14 : x
  2. Step 2: Convert to fraction form
    275,342,727.60/412,892,893.32 = 145,920,015.14/x
  3. Step 3: Cross multiply
    275,342,727.60x = 412,892,893.32 × 145,920,015.14
  4. Step 4: Simplify right side
    275,342,727.60x = 60,249,337,242,388,336
  5. Step 5: Solve for x
    x = 60,249,337,242,388,336/275,342,727.60
  6. Step 6: Final answer
    x = 218,815,792.84

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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.