Home / 308,191,292.82-425,303,881.74-168,959,065.23

Finding the Fourth Proportional to 308,191,292.82, 425,303,881.74 and 168,959,065.23

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Solution

The fourth proportional to 308,191,292.82, 425,303,881.74 and 168,959,065.23 is: 233,163,453.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,191,292.82 : 425,303,881.74 = 168,959,065.23 : x
  2. Step 2: Convert to fraction form
    308,191,292.82/425,303,881.74 = 168,959,065.23/x
  3. Step 3: Cross multiply
    308,191,292.82x = 425,303,881.74 × 168,959,065.23
  4. Step 4: Simplify right side
    308,191,292.82x = 71,858,946,297,480,864
  5. Step 5: Solve for x
    x = 71,858,946,297,480,864/308,191,292.82
  6. Step 6: Final answer
    x = 233,163,453.91

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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.