Home / 281,831,516,988.86-388,940,300,524.74-166,093,161,256.59

Finding the Fourth Proportional to 281,831,516,988.86, 388,940,300,524.74 and 166,093,161,256.59

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Solution

The fourth proportional to 281,831,516,988.86, 388,940,300,524.74 and 166,093,161,256.59 is: 229,216,110,193.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,831,516,988.86 : 388,940,300,524.74 = 166,093,161,256.59 : x
  2. Step 2: Convert to fraction form
    281,831,516,988.86/388,940,300,524.74 = 166,093,161,256.59/x
  3. Step 3: Cross multiply
    281,831,516,988.86x = 388,940,300,524.74 × 166,093,161,256.59
  4. Step 4: Simplify right side
    281,831,516,988.86x = 64,600,324,054,242,214,019,072
  5. Step 5: Solve for x
    x = 64,600,324,054,242,214,019,072/281,831,516,988.86
  6. Step 6: Final answer
    x = 229,216,110,193.93

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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.