Home / 131,184,040.86-196,394,186.79-68,787,393.48

Finding the Fourth Proportional to 131,184,040.86, 196,394,186.79 and 68,787,393.48

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Solution

The fourth proportional to 131,184,040.86, 196,394,186.79 and 68,787,393.48 is: 102,980,851.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,184,040.86 : 196,394,186.79 = 68,787,393.48 : x
  2. Step 2: Convert to fraction form
    131,184,040.86/196,394,186.79 = 68,787,393.48/x
  3. Step 3: Cross multiply
    131,184,040.86x = 196,394,186.79 × 68,787,393.48
  4. Step 4: Simplify right side
    131,184,040.86x = 13,509,444,203,908,348
  5. Step 5: Solve for x
    x = 13,509,444,203,908,348/131,184,040.86
  6. Step 6: Final answer
    x = 102,980,851.29

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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.