Home / 117,470,938.96-162,135,824.80-65,277,921.52

Finding the Fourth Proportional to 117,470,938.96, 162,135,824.80 and 65,277,921.52

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Solution

The fourth proportional to 117,470,938.96, 162,135,824.80 and 65,277,921.52 is: 90,097,940.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,470,938.96 : 162,135,824.80 = 65,277,921.52 : x
  2. Step 2: Convert to fraction form
    117,470,938.96/162,135,824.80 = 65,277,921.52/x
  3. Step 3: Cross multiply
    117,470,938.96x = 162,135,824.80 × 65,277,921.52
  4. Step 4: Simplify right side
    117,470,938.96x = 10,583,889,646,874,872
  5. Step 5: Solve for x
    x = 10,583,889,646,874,872/117,470,938.96
  6. Step 6: Final answer
    x = 90,097,940.31

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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.