Home / 123,204,536.69-184,988,476.73-68,723,567.33

Finding the Fourth Proportional to 123,204,536.69, 184,988,476.73 and 68,723,567.33

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Solution

The fourth proportional to 123,204,536.69, 184,988,476.73 and 68,723,567.33 is: 103,186,687.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,204,536.69 : 184,988,476.73 = 68,723,567.33 : x
  2. Step 2: Convert to fraction form
    123,204,536.69/184,988,476.73 = 68,723,567.33/x
  3. Step 3: Cross multiply
    123,204,536.69x = 184,988,476.73 × 68,723,567.33
  4. Step 4: Simplify right side
    123,204,536.69x = 12,713,068,035,828,292
  5. Step 5: Solve for x
    x = 12,713,068,035,828,292/123,204,536.69
  6. Step 6: Final answer
    x = 103,186,687.58

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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.