Home / 54,337,005,720.45-81,542,739,151.48-18,964,361,128.10

Finding the Fourth Proportional to 54,337,005,720.45, 81,542,739,151.48 and 18,964,361,128.10

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Solution

The fourth proportional to 54,337,005,720.45, 81,542,739,151.48 and 18,964,361,128.10 is: 28,459,535,672.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,337,005,720.45 : 81,542,739,151.48 = 18,964,361,128.10 : x
  2. Step 2: Convert to fraction form
    54,337,005,720.45/81,542,739,151.48 = 18,964,361,128.10/x
  3. Step 3: Cross multiply
    54,337,005,720.45x = 81,542,739,151.48 × 18,964,361,128.10
  4. Step 4: Simplify right side
    54,337,005,720.45x = 1,546,405,952,642,755,592,192
  5. Step 5: Solve for x
    x = 1,546,405,952,642,755,592,192/54,337,005,720.45
  6. Step 6: Final answer
    x = 28,459,535,672.59

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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.