Home / 258,205,682.33-356,336,447.26-145,210,729.71

Finding the Fourth Proportional to 258,205,682.33, 356,336,447.26 and 145,210,729.71

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Solution

The fourth proportional to 258,205,682.33, 356,336,447.26 and 145,210,729.71 is: 200,397,896.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,205,682.33 : 356,336,447.26 = 145,210,729.71 : x
  2. Step 2: Convert to fraction form
    258,205,682.33/356,336,447.26 = 145,210,729.71/x
  3. Step 3: Cross multiply
    258,205,682.33x = 356,336,447.26 × 145,210,729.71
  4. Step 4: Simplify right side
    258,205,682.33x = 51,743,875,528,893,528
  5. Step 5: Solve for x
    x = 51,743,875,528,893,528/258,205,682.33
  6. Step 6: Final answer
    x = 200,397,896.21

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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.