Home / 43,451,180.10-65,184,643.35-21,831,372.90

Finding the Fourth Proportional to 43,451,180.10, 65,184,643.35 and 21,831,372.90

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Solution

The fourth proportional to 43,451,180.10, 65,184,643.35 and 21,831,372.90 is: 32,751,015.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,451,180.10 : 65,184,643.35 = 21,831,372.90 : x
  2. Step 2: Convert to fraction form
    43,451,180.10/65,184,643.35 = 21,831,372.90/x
  3. Step 3: Cross multiply
    43,451,180.10x = 65,184,643.35 × 21,831,372.90
  4. Step 4: Simplify right side
    43,451,180.10x = 1,423,070,256,327,355.25
  5. Step 5: Solve for x
    x = 1,423,070,256,327,355.25/43,451,180.10
  6. Step 6: Final answer
    x = 32,751,015.12

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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.