Home / 105,100,018.20-145,106,271.18-94,067,662.68

Finding the Fourth Proportional to 105,100,018.20, 145,106,271.18 and 94,067,662.68

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Solution

The fourth proportional to 105,100,018.20, 145,106,271.18 and 94,067,662.68 is: 129,874,456.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,100,018.20 : 145,106,271.18 = 94,067,662.68 : x
  2. Step 2: Convert to fraction form
    105,100,018.20/145,106,271.18 = 94,067,662.68/x
  3. Step 3: Cross multiply
    105,100,018.20x = 145,106,271.18 × 94,067,662.68
  4. Step 4: Simplify right side
    105,100,018.20x = 13,649,807,770,112,848
  5. Step 5: Solve for x
    x = 13,649,807,770,112,848/105,100,018.20
  6. Step 6: Final answer
    x = 129,874,456.77

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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.