Home / 281,831,516,989.86-388,940,300,526.12-166,093,161,257.59

Finding the Fourth Proportional to 281,831,516,989.86, 388,940,300,526.12 and 166,093,161,257.59

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Solution

The fourth proportional to 281,831,516,989.86, 388,940,300,526.12 and 166,093,161,257.59 is: 229,216,110,195.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,831,516,989.86 : 388,940,300,526.12 = 166,093,161,257.59 : x
  2. Step 2: Convert to fraction form
    281,831,516,989.86/388,940,300,526.12 = 166,093,161,257.59/x
  3. Step 3: Cross multiply
    281,831,516,989.86x = 388,940,300,526.12 × 166,093,161,257.59
  4. Step 4: Simplify right side
    281,831,516,989.86x = 64,600,324,054,860,362,153,984
  5. Step 5: Solve for x
    x = 64,600,324,054,860,362,153,984/281,831,516,989.86
  6. Step 6: Final answer
    x = 229,216,110,195.31

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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.