Home / 268,064,681.56-401,725,013.62-122,141,626.36

Finding the Fourth Proportional to 268,064,681.56, 401,725,013.62 and 122,141,626.36

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Solution

The fourth proportional to 268,064,681.56, 401,725,013.62 and 122,141,626.36 is: 183,042,936.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,064,681.56 : 401,725,013.62 = 122,141,626.36 : x
  2. Step 2: Convert to fraction form
    268,064,681.56/401,725,013.62 = 122,141,626.36/x
  3. Step 3: Cross multiply
    268,064,681.56x = 401,725,013.62 × 122,141,626.36
  4. Step 4: Simplify right side
    268,064,681.56x = 49,067,346,513,039,952
  5. Step 5: Solve for x
    x = 49,067,346,513,039,952/268,064,681.56
  6. Step 6: Final answer
    x = 183,042,936.61

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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.