Home / 43,704,631.80-65,556,947.70-21,029,815.80

Finding the Fourth Proportional to 43,704,631.80, 65,556,947.70 and 21,029,815.80

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Solution

The fourth proportional to 43,704,631.80, 65,556,947.70 and 21,029,815.80 is: 31,544,723.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,704,631.80 : 65,556,947.70 = 21,029,815.80 : x
  2. Step 2: Convert to fraction form
    43,704,631.80/65,556,947.70 = 21,029,815.80/x
  3. Step 3: Cross multiply
    43,704,631.80x = 65,556,947.70 × 21,029,815.80
  4. Step 4: Simplify right side
    43,704,631.80x = 1,378,650,534,541,233.75
  5. Step 5: Solve for x
    x = 1,378,650,534,541,233.75/43,704,631.80
  6. Step 6: Final answer
    x = 31,544,723.70

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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.