Home / 121,089,217,072.96-165,889,454,402-116,561,972,641.60

Finding the Fourth Proportional to 121,089,217,072.96, 165,889,454,402 and 116,561,972,641.60

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Solution

The fourth proportional to 121,089,217,072.96, 165,889,454,402 and 116,561,972,641.60 is: 159,687,233,206.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,089,217,072.96 : 165,889,454,402 = 116,561,972,641.60 : x
  2. Step 2: Convert to fraction form
    121,089,217,072.96/165,889,454,402 = 116,561,972,641.60/x
  3. Step 3: Cross multiply
    121,089,217,072.96x = 165,889,454,402 × 116,561,972,641.60
  4. Step 4: Simplify right side
    121,089,217,072.96x = 19,336,402,045,535,875,235,840
  5. Step 5: Solve for x
    x = 19,336,402,045,535,875,235,840/121,089,217,072.96
  6. Step 6: Final answer
    x = 159,687,233,206.61

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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.