Home / 158,644,413.81-218,777,144.27-102,071,419.11

Finding the Fourth Proportional to 158,644,413.81, 218,777,144.27 and 102,071,419.11

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Solution

The fourth proportional to 158,644,413.81, 218,777,144.27 and 102,071,419.11 is: 140,760,667.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,644,413.81 : 218,777,144.27 = 102,071,419.11 : x
  2. Step 2: Convert to fraction form
    158,644,413.81/218,777,144.27 = 102,071,419.11/x
  3. Step 3: Cross multiply
    158,644,413.81x = 218,777,144.27 × 102,071,419.11
  4. Step 4: Simplify right side
    158,644,413.81x = 22,330,893,583,961,748
  5. Step 5: Solve for x
    x = 22,330,893,583,961,748/158,644,413.81
  6. Step 6: Final answer
    x = 140,760,667.51

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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.