Home / 111,174,469.59-153,420,782.35-61,618,042.63

Finding the Fourth Proportional to 111,174,469.59, 153,420,782.35 and 61,618,042.63

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Solution

The fourth proportional to 111,174,469.59, 153,420,782.35 and 61,618,042.63 is: 85,032,906.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,174,469.59 : 153,420,782.35 = 61,618,042.63 : x
  2. Step 2: Convert to fraction form
    111,174,469.59/153,420,782.35 = 61,618,042.63/x
  3. Step 3: Cross multiply
    111,174,469.59x = 153,420,782.35 × 61,618,042.63
  4. Step 4: Simplify right side
    111,174,469.59x = 9,453,488,306,200,804
  5. Step 5: Solve for x
    x = 9,453,488,306,200,804/111,174,469.59
  6. Step 6: Final answer
    x = 85,032,906.75

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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.