Home / 111,668,720.33-154,092,038.32-64,616,408.11

Finding the Fourth Proportional to 111,668,720.33, 154,092,038.32 and 64,616,408.11

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Solution

The fourth proportional to 111,668,720.33, 154,092,038.32 and 64,616,408.11 is: 89,164,396.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,668,720.33 : 154,092,038.32 = 64,616,408.11 : x
  2. Step 2: Convert to fraction form
    111,668,720.33/154,092,038.32 = 64,616,408.11/x
  3. Step 3: Cross multiply
    111,668,720.33x = 154,092,038.32 × 64,616,408.11
  4. Step 4: Simplify right side
    111,668,720.33x = 9,956,874,034,040,108
  5. Step 5: Solve for x
    x = 9,956,874,034,040,108/111,668,720.33
  6. Step 6: Final answer
    x = 89,164,396.30

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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.