Home / 43,446,661.20-65,169,991.80-28,330,117.20

Finding the Fourth Proportional to 43,446,661.20, 65,169,991.80 and 28,330,117.20

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Solution

The fourth proportional to 43,446,661.20, 65,169,991.80 and 28,330,117.20 is: 42,495,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,446,661.20 : 65,169,991.80 = 28,330,117.20 : x
  2. Step 2: Convert to fraction form
    43,446,661.20/65,169,991.80 = 28,330,117.20/x
  3. Step 3: Cross multiply
    43,446,661.20x = 65,169,991.80 × 28,330,117.20
  4. Step 4: Simplify right side
    43,446,661.20x = 1,846,273,505,617,038.75
  5. Step 5: Solve for x
    x = 1,846,273,505,617,038.75/43,446,661.20
  6. Step 6: Final answer
    x = 42,495,175.80

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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.