Home / 71,588,344.42-107,362,918.59-19,760,557.33

Finding the Fourth Proportional to 71,588,344.42, 107,362,918.59 and 19,760,557.33

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Solution

The fourth proportional to 71,588,344.42, 107,362,918.59 and 19,760,557.33 is: 29,635,426.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,588,344.42 : 107,362,918.59 = 19,760,557.33 : x
  2. Step 2: Convert to fraction form
    71,588,344.42/107,362,918.59 = 19,760,557.33/x
  3. Step 3: Cross multiply
    71,588,344.42x = 107,362,918.59 × 19,760,557.33
  4. Step 4: Simplify right side
    71,588,344.42x = 2,121,551,107,913,817.75
  5. Step 5: Solve for x
    x = 2,121,551,107,913,817.75/71,588,344.42
  6. Step 6: Final answer
    x = 29,635,426.34

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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.