Home / 111,668,720.84-154,092,039.01-64,616,408.61

Finding the Fourth Proportional to 111,668,720.84, 154,092,039.01 and 64,616,408.61

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Solution

The fourth proportional to 111,668,720.84, 154,092,039.01 and 64,616,408.61 is: 89,164,396.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,668,720.84 : 154,092,039.01 = 64,616,408.61 : x
  2. Step 2: Convert to fraction form
    111,668,720.84/154,092,039.01 = 64,616,408.61/x
  3. Step 3: Cross multiply
    111,668,720.84x = 154,092,039.01 × 64,616,408.61
  4. Step 4: Simplify right side
    111,668,720.84x = 9,956,874,155,895,138
  5. Step 5: Solve for x
    x = 9,956,874,155,895,138/111,668,720.84
  6. Step 6: Final answer
    x = 89,164,396.99

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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.