Home / 141,533,670,090.42-212,330,321,481.87-45,912,222,560.52

Finding the Fourth Proportional to 141,533,670,090.42, 212,330,321,481.87 and 45,912,222,560.52

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Solution

The fourth proportional to 141,533,670,090.42, 212,330,321,481.87 and 45,912,222,560.52 is: 68,878,005,989.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,533,670,090.42 : 212,330,321,481.87 = 45,912,222,560.52 : x
  2. Step 2: Convert to fraction form
    141,533,670,090.42/212,330,321,481.87 = 45,912,222,560.52/x
  3. Step 3: Cross multiply
    141,533,670,090.42x = 212,330,321,481.87 × 45,912,222,560.52
  4. Step 4: Simplify right side
    141,533,670,090.42x = 9,748,556,976,222,376,034,304
  5. Step 5: Solve for x
    x = 9,748,556,976,222,376,034,304/141,533,670,090.42
  6. Step 6: Final answer
    x = 68,878,005,989.63

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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.