Home / 131,328,018.80-196,992,028.20-124,273,631.60

Finding the Fourth Proportional to 131,328,018.80, 196,992,028.20 and 124,273,631.60

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Solution

The fourth proportional to 131,328,018.80, 196,992,028.20 and 124,273,631.60 is: 186,410,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,328,018.80 : 196,992,028.20 = 124,273,631.60 : x
  2. Step 2: Convert to fraction form
    131,328,018.80/196,992,028.20 = 124,273,631.60/x
  3. Step 3: Cross multiply
    131,328,018.80x = 196,992,028.20 × 124,273,631.60
  4. Step 4: Simplify right side
    131,328,018.80x = 24,480,914,740,663,608
  5. Step 5: Solve for x
    x = 24,480,914,740,663,608/131,328,018.80
  6. Step 6: Final answer
    x = 186,410,447.40

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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.