Home / 105,705,662.40-158,511,254.40-40,987,958.40

Finding the Fourth Proportional to 105,705,662.40, 158,511,254.40 and 40,987,958.40

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Solution

The fourth proportional to 105,705,662.40, 158,511,254.40 and 40,987,958.40 is: 61,463,620.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,705,662.40 : 158,511,254.40 = 40,987,958.40 : x
  2. Step 2: Convert to fraction form
    105,705,662.40/158,511,254.40 = 40,987,958.40/x
  3. Step 3: Cross multiply
    105,705,662.40x = 158,511,254.40 × 40,987,958.40
  4. Step 4: Simplify right side
    105,705,662.40x = 6,497,052,701,279,017
  5. Step 5: Solve for x
    x = 6,497,052,701,279,017/105,705,662.40
  6. Step 6: Final answer
    x = 61,463,620.34

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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.