Home / 120,516,008,541.05-166,312,118,933.31-66,322,557,176.43

Finding the Fourth Proportional to 120,516,008,541.05, 166,312,118,933.31 and 66,322,557,176.43

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Solution

The fourth proportional to 120,516,008,541.05, 166,312,118,933.31 and 66,322,557,176.43 is: 91,525,143,842.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,516,008,541.05 : 166,312,118,933.31 = 66,322,557,176.43 : x
  2. Step 2: Convert to fraction form
    120,516,008,541.05/166,312,118,933.31 = 66,322,557,176.43/x
  3. Step 3: Cross multiply
    120,516,008,541.05x = 166,312,118,933.31 × 66,322,557,176.43
  4. Step 4: Simplify right side
    120,516,008,541.05x = 11,030,245,017,087,180,275,712
  5. Step 5: Solve for x
    x = 11,030,245,017,087,180,275,712/120,516,008,541.05
  6. Step 6: Final answer
    x = 91,525,143,842.86

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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.