Home / 78,463,859.51-108,295,117.52-51,955,458.06

Finding the Fourth Proportional to 78,463,859.51, 108,295,117.52 and 51,955,458.06

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Solution

The fourth proportional to 78,463,859.51, 108,295,117.52 and 51,955,458.06 is: 71,708,458.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,463,859.51 : 108,295,117.52 = 51,955,458.06 : x
  2. Step 2: Convert to fraction form
    78,463,859.51/108,295,117.52 = 51,955,458.06/x
  3. Step 3: Cross multiply
    78,463,859.51x = 108,295,117.52 × 51,955,458.06
  4. Step 4: Simplify right side
    78,463,859.51x = 5,626,522,436,413,131
  5. Step 5: Solve for x
    x = 5,626,522,436,413,131/78,463,859.51
  6. Step 6: Final answer
    x = 71,708,458.79

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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.