Home / 108,615,055-149,887,722.10-59,055,428.04

Finding the Fourth Proportional to 108,615,055, 149,887,722.10 and 59,055,428.04

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Solution

The fourth proportional to 108,615,055, 149,887,722.10 and 59,055,428.04 is: 81,495,917.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,615,055 : 149,887,722.10 = 59,055,428.04 : x
  2. Step 2: Convert to fraction form
    108,615,055/149,887,722.10 = 59,055,428.04/x
  3. Step 3: Cross multiply
    108,615,055x = 149,887,722.10 × 59,055,428.04
  4. Step 4: Simplify right side
    108,615,055x = 8,851,683,586,556,067
  5. Step 5: Solve for x
    x = 8,851,683,586,556,067/108,615,055
  6. Step 6: Final answer
    x = 81,495,917.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.