Home / 74,715,231.60-112,072,847.40-66,401,132.40

Finding the Fourth Proportional to 74,715,231.60, 112,072,847.40 and 66,401,132.40

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Solution

The fourth proportional to 74,715,231.60, 112,072,847.40 and 66,401,132.40 is: 99,601,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,715,231.60 : 112,072,847.40 = 66,401,132.40 : x
  2. Step 2: Convert to fraction form
    74,715,231.60/112,072,847.40 = 66,401,132.40/x
  3. Step 3: Cross multiply
    74,715,231.60x = 112,072,847.40 × 66,401,132.40
  4. Step 4: Simplify right side
    74,715,231.60x = 7,441,763,978,652,396
  5. Step 5: Solve for x
    x = 7,441,763,978,652,396/74,715,231.60
  6. Step 6: Final answer
    x = 99,601,698.60

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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.