Home / 70,847,845,231.76-106,310,993,447.64-42,447,986,314.64

Finding the Fourth Proportional to 70,847,845,231.76, 106,310,993,447.64 and 42,447,986,314.64

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Solution

The fourth proportional to 70,847,845,231.76, 106,310,993,447.64 and 42,447,986,314.64 is: 63,695,481,213.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,847,845,231.76 : 106,310,993,447.64 = 42,447,986,314.64 : x
  2. Step 2: Convert to fraction form
    70,847,845,231.76/106,310,993,447.64 = 42,447,986,314.64/x
  3. Step 3: Cross multiply
    70,847,845,231.76x = 106,310,993,447.64 × 42,447,986,314.64
  4. Step 4: Simplify right side
    70,847,845,231.76x = 4,512,687,594,961,205,460,992
  5. Step 5: Solve for x
    x = 4,512,687,594,961,205,460,992/70,847,845,231.76
  6. Step 6: Final answer
    x = 63,695,481,213.28

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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.