Home / 111,707,855.90-167,561,783.85-103,645,699.10

Finding the Fourth Proportional to 111,707,855.90, 167,561,783.85 and 103,645,699.10

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Solution

The fourth proportional to 111,707,855.90, 167,561,783.85 and 103,645,699.10 is: 155,468,548.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,707,855.90 : 167,561,783.85 = 103,645,699.10 : x
  2. Step 2: Convert to fraction form
    111,707,855.90/167,561,783.85 = 103,645,699.10/x
  3. Step 3: Cross multiply
    111,707,855.90x = 167,561,783.85 × 103,645,699.10
  4. Step 4: Simplify right side
    111,707,855.90x = 17,367,058,229,576,338
  5. Step 5: Solve for x
    x = 17,367,058,229,576,338/111,707,855.90
  6. Step 6: Final answer
    x = 155,468,548.65

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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.