Home / 52,021,762.82-71,790,007.68-31,113,795.08

Finding the Fourth Proportional to 52,021,762.82, 71,790,007.68 and 31,113,795.08

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Solution

The fourth proportional to 52,021,762.82, 71,790,007.68 and 31,113,795.08 is: 42,937,022.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,021,762.82 : 71,790,007.68 = 31,113,795.08 : x
  2. Step 2: Convert to fraction form
    52,021,762.82/71,790,007.68 = 31,113,795.08/x
  3. Step 3: Cross multiply
    52,021,762.82x = 71,790,007.68 × 31,113,795.08
  4. Step 4: Simplify right side
    52,021,762.82x = 2,233,659,587,747,146.25
  5. Step 5: Solve for x
    x = 2,233,659,587,747,146.25/52,021,762.82
  6. Step 6: Final answer
    x = 42,937,022.25

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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.