Home / 43,671,333.40-65,507,000.10-20,940,530.20

Finding the Fourth Proportional to 43,671,333.40, 65,507,000.10 and 20,940,530.20

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Solution

The fourth proportional to 43,671,333.40, 65,507,000.10 and 20,940,530.20 is: 31,410,795.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,671,333.40 : 65,507,000.10 = 20,940,530.20 : x
  2. Step 2: Convert to fraction form
    43,671,333.40/65,507,000.10 = 20,940,530.20/x
  3. Step 3: Cross multiply
    43,671,333.40x = 65,507,000.10 × 20,940,530.20
  4. Step 4: Simplify right side
    43,671,333.40x = 1,371,751,313,905,453
  5. Step 5: Solve for x
    x = 1,371,751,313,905,453/43,671,333.40
  6. Step 6: Final answer
    x = 31,410,795.30

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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.