Home / 111,173,427.60-153,419,344.63-61,617,000.75

Finding the Fourth Proportional to 111,173,427.60, 153,419,344.63 and 61,617,000.75

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Solution

The fourth proportional to 111,173,427.60, 153,419,344.63 and 61,617,000.75 is: 85,031,469.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,173,427.60 : 153,419,344.63 = 61,617,000.75 : x
  2. Step 2: Convert to fraction form
    111,173,427.60/153,419,344.63 = 61,617,000.75/x
  3. Step 3: Cross multiply
    111,173,427.60x = 153,419,344.63 × 61,617,000.75
  4. Step 4: Simplify right side
    111,173,427.60x = 9,453,239,873,131,218
  5. Step 5: Solve for x
    x = 9,453,239,873,131,218/111,173,427.60
  6. Step 6: Final answer
    x = 85,031,469.09

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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.