Home / 47,354,977.80-71,008,847.10-21,767,077.80

Finding the Fourth Proportional to 47,354,977.80, 71,008,847.10 and 21,767,077.80

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Solution

The fourth proportional to 47,354,977.80, 71,008,847.10 and 21,767,077.80 is: 32,639,759.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,354,977.80 : 71,008,847.10 = 21,767,077.80 : x
  2. Step 2: Convert to fraction form
    47,354,977.80/71,008,847.10 = 21,767,077.80/x
  3. Step 3: Cross multiply
    47,354,977.80x = 71,008,847.10 × 21,767,077.80
  4. Step 4: Simplify right side
    47,354,977.80x = 1,545,655,099,314,004.25
  5. Step 5: Solve for x
    x = 1,545,655,099,314,004.25/47,354,977.80
  6. Step 6: Final answer
    x = 32,639,759.77

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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.