Home / 140,110,989,765.36-210,193,524,369-45,758,571,984.24

Finding the Fourth Proportional to 140,110,989,765.36, 210,193,524,369 and 45,758,571,984.24

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Solution

The fourth proportional to 140,110,989,765.36, 210,193,524,369 and 45,758,571,984.24 is: 68,646,688,825.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,110,989,765.36 : 210,193,524,369 = 45,758,571,984.24 : x
  2. Step 2: Convert to fraction form
    140,110,989,765.36/210,193,524,369 = 45,758,571,984.24/x
  3. Step 3: Cross multiply
    140,110,989,765.36x = 210,193,524,369 × 45,758,571,984.24
  4. Step 4: Simplify right side
    140,110,989,765.36x = 9,618,155,515,459,990,978,560
  5. Step 5: Solve for x
    x = 9,618,155,515,459,990,978,560/140,110,989,765.36
  6. Step 6: Final answer
    x = 68,646,688,825.53

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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.