Home / 192,086,374.35-288,039,858.08-69,248,513.55

Finding the Fourth Proportional to 192,086,374.35, 288,039,858.08 and 69,248,513.55

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Solution

The fourth proportional to 192,086,374.35, 288,039,858.08 and 69,248,513.55 is: 103,840,431.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,086,374.35 : 288,039,858.08 = 69,248,513.55 : x
  2. Step 2: Convert to fraction form
    192,086,374.35/288,039,858.08 = 69,248,513.55/x
  3. Step 3: Cross multiply
    192,086,374.35x = 288,039,858.08 × 69,248,513.55
  4. Step 4: Simplify right side
    192,086,374.35x = 19,946,332,014,846,712
  5. Step 5: Solve for x
    x = 19,946,332,014,846,712/192,086,374.35
  6. Step 6: Final answer
    x = 103,840,431.59

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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.