Home / 43,451,181.60-65,184,645.60-21,831,374.40

Finding the Fourth Proportional to 43,451,181.60, 65,184,645.60 and 21,831,374.40

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Solution

The fourth proportional to 43,451,181.60, 65,184,645.60 and 21,831,374.40 is: 32,751,017.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,451,181.60 : 65,184,645.60 = 21,831,374.40 : x
  2. Step 2: Convert to fraction form
    43,451,181.60/65,184,645.60 = 21,831,374.40/x
  3. Step 3: Cross multiply
    43,451,181.60x = 65,184,645.60 × 21,831,374.40
  4. Step 4: Simplify right side
    43,451,181.60x = 1,423,070,403,224,912.50
  5. Step 5: Solve for x
    x = 1,423,070,403,224,912.50/43,451,181.60
  6. Step 6: Final answer
    x = 32,751,017.37

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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.