Home / 143,729,939,645.10-198,334,005,896.91-79,499,281,536.54

Finding the Fourth Proportional to 143,729,939,645.10, 198,334,005,896.91 and 79,499,281,536.54

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Solution

The fourth proportional to 143,729,939,645.10, 198,334,005,896.91 and 79,499,281,536.54 is: 109,701,646,101.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,729,939,645.10 : 198,334,005,896.91 = 79,499,281,536.54 : x
  2. Step 2: Convert to fraction form
    143,729,939,645.10/198,334,005,896.91 = 79,499,281,536.54/x
  3. Step 3: Cross multiply
    143,729,939,645.10x = 198,334,005,896.91 × 79,499,281,536.54
  4. Step 4: Simplify right side
    143,729,939,645.10x = 15,767,410,973,068,230,656,000
  5. Step 5: Solve for x
    x = 15,767,410,973,068,230,656,000/143,729,939,645.10
  6. Step 6: Final answer
    x = 109,701,646,101.02

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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.