Home / 69,818,835.74-104,656,394.96-30,975,580.78

Finding the Fourth Proportional to 69,818,835.74, 104,656,394.96 and 30,975,580.78

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Solution

The fourth proportional to 69,818,835.74, 104,656,394.96 and 30,975,580.78 is: 46,431,490.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,818,835.74 : 104,656,394.96 = 30,975,580.78 : x
  2. Step 2: Convert to fraction form
    69,818,835.74/104,656,394.96 = 30,975,580.78/x
  3. Step 3: Cross multiply
    69,818,835.74x = 104,656,394.96 × 30,975,580.78
  4. Step 4: Simplify right side
    69,818,835.74x = 3,241,792,616,227,065
  5. Step 5: Solve for x
    x = 3,241,792,616,227,065/69,818,835.74
  6. Step 6: Final answer
    x = 46,431,490.61

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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.