Home / 121,089,217,071.96-165,889,454,400.63-116,561,972,640.60

Finding the Fourth Proportional to 121,089,217,071.96, 165,889,454,400.63 and 116,561,972,640.60

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Solution

The fourth proportional to 121,089,217,071.96, 165,889,454,400.63 and 116,561,972,640.60 is: 159,687,233,205.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,089,217,071.96 : 165,889,454,400.63 = 116,561,972,640.60 : x
  2. Step 2: Convert to fraction form
    121,089,217,071.96/165,889,454,400.63 = 116,561,972,640.60/x
  3. Step 3: Cross multiply
    121,089,217,071.96x = 165,889,454,400.63 × 116,561,972,640.60
  4. Step 4: Simplify right side
    121,089,217,071.96x = 19,336,402,045,210,296,582,144
  5. Step 5: Solve for x
    x = 19,336,402,045,210,296,582,144/121,089,217,071.96
  6. Step 6: Final answer
    x = 159,687,233,205.24

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.