Home / 258,828,268.38-388,250,374.18-113,186,862.33

Finding the Fourth Proportional to 258,828,268.38, 388,250,374.18 and 113,186,862.33

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Solution

The fourth proportional to 258,828,268.38, 388,250,374.18 and 113,186,862.33 is: 169,783,779.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,828,268.38 : 388,250,374.18 = 113,186,862.33 : x
  2. Step 2: Convert to fraction form
    258,828,268.38/388,250,374.18 = 113,186,862.33/x
  3. Step 3: Cross multiply
    258,828,268.38x = 388,250,374.18 × 113,186,862.33
  4. Step 4: Simplify right side
    258,828,268.38x = 43,944,841,651,882,648
  5. Step 5: Solve for x
    x = 43,944,841,651,882,648/258,828,268.38
  6. Step 6: Final answer
    x = 169,783,779.52

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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.