Home / 43,451,116.60-65,184,548.10-21,831,309.40

Finding the Fourth Proportional to 43,451,116.60, 65,184,548.10 and 21,831,309.40

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Solution

The fourth proportional to 43,451,116.60, 65,184,548.10 and 21,831,309.40 is: 32,750,919.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,451,116.60 : 65,184,548.10 = 21,831,309.40 : x
  2. Step 2: Convert to fraction form
    43,451,116.60/65,184,548.10 = 21,831,309.40/x
  3. Step 3: Cross multiply
    43,451,116.60x = 65,184,548.10 × 21,831,309.40
  4. Step 4: Simplify right side
    43,451,116.60x = 1,423,064,037,670,282
  5. Step 5: Solve for x
    x = 1,423,064,037,670,282/43,451,116.60
  6. Step 6: Final answer
    x = 32,750,919.86

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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.