Home / 111,514,103.78-153,880,441.67-64,474,195.19

Finding the Fourth Proportional to 111,514,103.78, 153,880,441.67 and 64,474,195.19

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Solution

The fourth proportional to 111,514,103.78, 153,880,441.67 and 64,474,195.19 is: 88,969,173.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,514,103.78 : 153,880,441.67 = 64,474,195.19 : x
  2. Step 2: Convert to fraction form
    111,514,103.78/153,880,441.67 = 64,474,195.19/x
  3. Step 3: Cross multiply
    111,514,103.78x = 153,880,441.67 × 64,474,195.19
  4. Step 4: Simplify right side
    111,514,103.78x = 9,921,317,631,546,774
  5. Step 5: Solve for x
    x = 9,921,317,631,546,774/111,514,103.78
  6. Step 6: Final answer
    x = 88,969,173.36

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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.