Home / 320,988,923.39-481,331,601.80-124,344,435.66

Finding the Fourth Proportional to 320,988,923.39, 481,331,601.80 and 124,344,435.66

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Solution

The fourth proportional to 320,988,923.39, 481,331,601.80 and 124,344,435.66 is: 186,457,855.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,988,923.39 : 481,331,601.80 = 124,344,435.66 : x
  2. Step 2: Convert to fraction form
    320,988,923.39/481,331,601.80 = 124,344,435.66/x
  3. Step 3: Cross multiply
    320,988,923.39x = 481,331,601.80 × 124,344,435.66
  4. Step 4: Simplify right side
    320,988,923.39x = 59,850,906,391,144,840
  5. Step 5: Solve for x
    x = 59,850,906,391,144,840/320,988,923.39
  6. Step 6: Final answer
    x = 186,457,855.80

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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.