Home / 131,127,413.27-180,951,090.30-72,388,819.67

Finding the Fourth Proportional to 131,127,413.27, 180,951,090.30 and 72,388,819.67

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Solution

The fourth proportional to 131,127,413.27, 180,951,090.30 and 72,388,819.67 is: 99,893,954.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,127,413.27 : 180,951,090.30 = 72,388,819.67 : x
  2. Step 2: Convert to fraction form
    131,127,413.27/180,951,090.30 = 72,388,819.67/x
  3. Step 3: Cross multiply
    131,127,413.27x = 180,951,090.30 × 72,388,819.67
  4. Step 4: Simplify right side
    131,127,413.27x = 13,098,835,843,911,832
  5. Step 5: Solve for x
    x = 13,098,835,843,911,832/131,127,413.27
  6. Step 6: Final answer
    x = 99,893,954.42

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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.