Home / 111,722,040.89-154,173,998.67-64,681,097.84

Finding the Fourth Proportional to 111,722,040.89, 154,173,998.67 and 64,681,097.84

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Solution

The fourth proportional to 111,722,040.89, 154,173,998.67 and 64,681,097.84 is: 89,258,515.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,722,040.89 : 154,173,998.67 = 64,681,097.84 : x
  2. Step 2: Convert to fraction form
    111,722,040.89/154,173,998.67 = 64,681,097.84/x
  3. Step 3: Cross multiply
    111,722,040.89x = 154,173,998.67 × 64,681,097.84
  4. Step 4: Simplify right side
    111,722,040.89x = 9,972,143,492,358,300
  5. Step 5: Solve for x
    x = 9,972,143,492,358,300/111,722,040.89
  6. Step 6: Final answer
    x = 89,258,515.27

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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.