Home / 104,507,515.94-144,007,864.18-80,842,344.18

Finding the Fourth Proportional to 104,507,515.94, 144,007,864.18 and 80,842,344.18

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Solution

The fourth proportional to 104,507,515.94, 144,007,864.18 and 80,842,344.18 is: 111,398,048.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,507,515.94 : 144,007,864.18 = 80,842,344.18 : x
  2. Step 2: Convert to fraction form
    104,507,515.94/144,007,864.18 = 80,842,344.18/x
  3. Step 3: Cross multiply
    104,507,515.94x = 144,007,864.18 × 80,842,344.18
  4. Step 4: Simplify right side
    104,507,515.94x = 11,641,933,320,666,256
  5. Step 5: Solve for x
    x = 11,641,933,320,666,256/104,507,515.94
  6. Step 6: Final answer
    x = 111,398,048.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.