Home / 192,086,377.36-288,039,862.56-69,248,516.56

Finding the Fourth Proportional to 192,086,377.36, 288,039,862.56 and 69,248,516.56

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Solution

The fourth proportional to 192,086,377.36, 288,039,862.56 and 69,248,516.56 is: 103,840,436.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,086,377.36 : 288,039,862.56 = 69,248,516.56 : x
  2. Step 2: Convert to fraction form
    192,086,377.36/288,039,862.56 = 69,248,516.56/x
  3. Step 3: Cross multiply
    192,086,377.36x = 288,039,862.56 × 69,248,516.56
  4. Step 4: Simplify right side
    192,086,377.36x = 19,946,333,192,426,284
  5. Step 5: Solve for x
    x = 19,946,333,192,426,284/192,086,377.36
  6. Step 6: Final answer
    x = 103,840,436.09

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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.