Home / 117,908,606.31-162,714,522.09-68,378,346.48

Finding the Fourth Proportional to 117,908,606.31, 162,714,522.09 and 68,378,346.48

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Solution

The fourth proportional to 117,908,606.31, 162,714,522.09 and 68,378,346.48 is: 94,362,492.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,908,606.31 : 162,714,522.09 = 68,378,346.48 : x
  2. Step 2: Convert to fraction form
    117,908,606.31/162,714,522.09 = 68,378,346.48/x
  3. Step 3: Cross multiply
    117,908,606.31x = 162,714,522.09 × 68,378,346.48
  4. Step 4: Simplify right side
    117,908,606.31x = 11,126,149,968,797,634
  5. Step 5: Solve for x
    x = 11,126,149,968,797,634/117,908,606.31
  6. Step 6: Final answer
    x = 94,362,492.42

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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.