Home / 66,107,825.60-99,161,738.40-40,241,739.20

Finding the Fourth Proportional to 66,107,825.60, 99,161,738.40 and 40,241,739.20

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Solution

The fourth proportional to 66,107,825.60, 99,161,738.40 and 40,241,739.20 is: 60,362,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,107,825.60 : 99,161,738.40 = 40,241,739.20 : x
  2. Step 2: Convert to fraction form
    66,107,825.60/99,161,738.40 = 40,241,739.20/x
  3. Step 3: Cross multiply
    66,107,825.60x = 99,161,738.40 × 40,241,739.20
  4. Step 4: Simplify right side
    66,107,825.60x = 3,990,440,815,311,426
  5. Step 5: Solve for x
    x = 3,990,440,815,311,426/66,107,825.60
  6. Step 6: Final answer
    x = 60,362,608.80

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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.