Home / 238,055,849.90-328,565,403.77-137,588,554.79

Finding the Fourth Proportional to 238,055,849.90, 328,565,403.77 and 137,588,554.79

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Solution

The fourth proportional to 238,055,849.90, 328,565,403.77 and 137,588,554.79 is: 189,900,139.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,055,849.90 : 328,565,403.77 = 137,588,554.79 : x
  2. Step 2: Convert to fraction form
    238,055,849.90/328,565,403.77 = 137,588,554.79/x
  3. Step 3: Cross multiply
    238,055,849.90x = 328,565,403.77 × 137,588,554.79
  4. Step 4: Simplify right side
    238,055,849.90x = 45,206,839,058,707,112
  5. Step 5: Solve for x
    x = 45,206,839,058,707,112/238,055,849.90
  6. Step 6: Final answer
    x = 189,900,139.31

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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.