Home / 43,451,194.60-65,184,665.10-21,831,387.40

Finding the Fourth Proportional to 43,451,194.60, 65,184,665.10 and 21,831,387.40

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Solution

The fourth proportional to 43,451,194.60, 65,184,665.10 and 21,831,387.40 is: 32,751,036.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,451,194.60 : 65,184,665.10 = 21,831,387.40 : x
  2. Step 2: Convert to fraction form
    43,451,194.60/65,184,665.10 = 21,831,387.40/x
  3. Step 3: Cross multiply
    43,451,194.60x = 65,184,665.10 × 21,831,387.40
  4. Step 4: Simplify right side
    43,451,194.60x = 1,423,071,676,337,359.75
  5. Step 5: Solve for x
    x = 1,423,071,676,337,359.75/43,451,194.60
  6. Step 6: Final answer
    x = 32,751,036.87

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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.