Home / 111,707,801.65-167,561,702.48-103,645,644.85

Finding the Fourth Proportional to 111,707,801.65, 167,561,702.48 and 103,645,644.85

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Solution

The fourth proportional to 111,707,801.65, 167,561,702.48 and 103,645,644.85 is: 155,468,467.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,707,801.65 : 167,561,702.48 = 103,645,644.85 : x
  2. Step 2: Convert to fraction form
    111,707,801.65/167,561,702.48 = 103,645,644.85/x
  3. Step 3: Cross multiply
    111,707,801.65x = 167,561,702.48 × 103,645,644.85
  4. Step 4: Simplify right side
    111,707,801.65x = 17,367,040,705,703,442
  5. Step 5: Solve for x
    x = 17,367,040,705,703,442/111,707,801.65
  6. Step 6: Final answer
    x = 155,468,467.28

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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.