Home / 43,453,314.60-65,179,971.90-19,565,442.60

Finding the Fourth Proportional to 43,453,314.60, 65,179,971.90 and 19,565,442.60

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Solution

The fourth proportional to 43,453,314.60, 65,179,971.90 and 19,565,442.60 is: 29,348,163.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,453,314.60 : 65,179,971.90 = 19,565,442.60 : x
  2. Step 2: Convert to fraction form
    43,453,314.60/65,179,971.90 = 19,565,442.60/x
  3. Step 3: Cross multiply
    43,453,314.60x = 65,179,971.90 × 19,565,442.60
  4. Step 4: Simplify right side
    43,453,314.60x = 1,275,274,998,879,063
  5. Step 5: Solve for x
    x = 1,275,274,998,879,063/43,453,314.60
  6. Step 6: Final answer
    x = 29,348,163.90

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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.