Home / 199,026,457.60-298,672,396.80-91,265,612.80

Finding the Fourth Proportional to 199,026,457.60, 298,672,396.80 and 91,265,612.80

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Solution

The fourth proportional to 199,026,457.60, 298,672,396.80 and 91,265,612.80 is: 136,959,274.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,026,457.60 : 298,672,396.80 = 91,265,612.80 : x
  2. Step 2: Convert to fraction form
    199,026,457.60/298,672,396.80 = 91,265,612.80/x
  3. Step 3: Cross multiply
    199,026,457.60x = 298,672,396.80 × 91,265,612.80
  4. Step 4: Simplify right side
    199,026,457.60x = 27,258,519,320,396,760
  5. Step 5: Solve for x
    x = 27,258,519,320,396,760/199,026,457.60
  6. Step 6: Final answer
    x = 136,959,274.91

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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.