Home / 258,574,597.57-387,790,133.59-71,785,629.73

Finding the Fourth Proportional to 258,574,597.57, 387,790,133.59 and 71,785,629.73

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Solution

The fourth proportional to 258,574,597.57, 387,790,133.59 and 71,785,629.73 is: 107,658,521.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,574,597.57 : 387,790,133.59 = 71,785,629.73 : x
  2. Step 2: Convert to fraction form
    258,574,597.57/387,790,133.59 = 71,785,629.73/x
  3. Step 3: Cross multiply
    258,574,597.57x = 387,790,133.59 × 71,785,629.73
  4. Step 4: Simplify right side
    258,574,597.57x = 27,837,758,942,838,976
  5. Step 5: Solve for x
    x = 27,837,758,942,838,976/258,574,597.57
  6. Step 6: Final answer
    x = 107,658,521.77

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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.