Home / 291,253,192.40-436,879,788.60-75,842,440.40

Finding the Fourth Proportional to 291,253,192.40, 436,879,788.60 and 75,842,440.40

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Solution

The fourth proportional to 291,253,192.40, 436,879,788.60 and 75,842,440.40 is: 113,763,660.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,253,192.40 : 436,879,788.60 = 75,842,440.40 : x
  2. Step 2: Convert to fraction form
    291,253,192.40/436,879,788.60 = 75,842,440.40/x
  3. Step 3: Cross multiply
    291,253,192.40x = 436,879,788.60 × 75,842,440.40
  4. Step 4: Simplify right side
    291,253,192.40x = 33,134,029,328,860,104
  5. Step 5: Solve for x
    x = 33,134,029,328,860,104/291,253,192.40
  6. Step 6: Final answer
    x = 113,763,660.60

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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.