Home / 117,419,409.40-176,129,114.10-106,837,828.60

Finding the Fourth Proportional to 117,419,409.40, 176,129,114.10 and 106,837,828.60

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Solution

The fourth proportional to 117,419,409.40, 176,129,114.10 and 106,837,828.60 is: 160,256,742.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,419,409.40 : 176,129,114.10 = 106,837,828.60 : x
  2. Step 2: Convert to fraction form
    117,419,409.40/176,129,114.10 = 106,837,828.60/x
  3. Step 3: Cross multiply
    117,419,409.40x = 176,129,114.10 × 106,837,828.60
  4. Step 4: Simplify right side
    117,419,409.40x = 18,817,252,103,685,640
  5. Step 5: Solve for x
    x = 18,817,252,103,685,640/117,419,409.40
  6. Step 6: Final answer
    x = 160,256,742.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.