Home / 71,757,548.39-107,678,097.66-30,255,822.12

Finding the Fourth Proportional to 71,757,548.39, 107,678,097.66 and 30,255,822.12

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Solution

The fourth proportional to 71,757,548.39, 107,678,097.66 and 30,255,822.12 is: 45,401,347.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,757,548.39 : 107,678,097.66 = 30,255,822.12 : x
  2. Step 2: Convert to fraction form
    71,757,548.39/107,678,097.66 = 30,255,822.12/x
  3. Step 3: Cross multiply
    71,757,548.39x = 107,678,097.66 × 30,255,822.12
  4. Step 4: Simplify right side
    71,757,548.39x = 3,257,889,369,020,948
  5. Step 5: Solve for x
    x = 3,257,889,369,020,948/71,757,548.39
  6. Step 6: Final answer
    x = 45,401,347.21

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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.