Home / 134,939,413.46-186,228,872.78-82,003,904.05

Finding the Fourth Proportional to 134,939,413.46, 186,228,872.78 and 82,003,904.05

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Solution

The fourth proportional to 134,939,413.46, 186,228,872.78 and 82,003,904.05 is: 113,172,973.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,939,413.46 : 186,228,872.78 = 82,003,904.05 : x
  2. Step 2: Convert to fraction form
    134,939,413.46/186,228,872.78 = 82,003,904.05/x
  3. Step 3: Cross multiply
    134,939,413.46x = 186,228,872.78 × 82,003,904.05
  4. Step 4: Simplify right side
    134,939,413.46x = 15,271,494,614,790,776
  5. Step 5: Solve for x
    x = 15,271,494,614,790,776/134,939,413.46
  6. Step 6: Final answer
    x = 113,172,973.14

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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.