Home / 43,015,022.80-64,528,900.44-13,859,090.44

Finding the Fourth Proportional to 43,015,022.80, 64,528,900.44 and 13,859,090.44

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Solution

The fourth proportional to 43,015,022.80, 64,528,900.44 and 13,859,090.44 is: 20,790,686.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,015,022.80 : 64,528,900.44 = 13,859,090.44 : x
  2. Step 2: Convert to fraction form
    43,015,022.80/64,528,900.44 = 13,859,090.44/x
  3. Step 3: Cross multiply
    43,015,022.80x = 64,528,900.44 × 13,859,090.44
  4. Step 4: Simplify right side
    43,015,022.80x = 894,311,867,191,715.75
  5. Step 5: Solve for x
    x = 894,311,867,191,715.75/43,015,022.80
  6. Step 6: Final answer
    x = 20,790,686.81

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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.