Home / 291,255,338.40-436,883,007.60-75,844,586.40

Finding the Fourth Proportional to 291,255,338.40, 436,883,007.60 and 75,844,586.40

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Solution

The fourth proportional to 291,255,338.40, 436,883,007.60 and 75,844,586.40 is: 113,766,879.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,255,338.40 : 436,883,007.60 = 75,844,586.40 : x
  2. Step 2: Convert to fraction form
    291,255,338.40/436,883,007.60 = 75,844,586.40/x
  3. Step 3: Cross multiply
    291,255,338.40x = 436,883,007.60 × 75,844,586.40
  4. Step 4: Simplify right side
    291,255,338.40x = 33,135,211,016,610,060
  5. Step 5: Solve for x
    x = 33,135,211,016,610,060/291,255,338.40
  6. Step 6: Final answer
    x = 113,766,879.60

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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.