Home / 119,115,116.88-164,383,803.11-66,191,626.86

Finding the Fourth Proportional to 119,115,116.88, 164,383,803.11 and 66,191,626.86

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Solution

The fourth proportional to 119,115,116.88, 164,383,803.11 and 66,191,626.86 is: 91,347,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,115,116.88 : 164,383,803.11 = 66,191,626.86 : x
  2. Step 2: Convert to fraction form
    119,115,116.88/164,383,803.11 = 66,191,626.86/x
  3. Step 3: Cross multiply
    119,115,116.88x = 164,383,803.11 × 66,191,626.86
  4. Step 4: Simplify right side
    119,115,116.88x = 10,880,831,356,953,868
  5. Step 5: Solve for x
    x = 10,880,831,356,953,868/119,115,116.88
  6. Step 6: Final answer
    x = 91,347,191.20

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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.