Home / 105,358,258.90-158,091,880.41-76,450,431.39

Finding the Fourth Proportional to 105,358,258.90, 158,091,880.41 and 76,450,431.39

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Solution

The fourth proportional to 105,358,258.90, 158,091,880.41 and 76,450,431.39 is: 114,715,187.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,358,258.90 : 158,091,880.41 = 76,450,431.39 : x
  2. Step 2: Convert to fraction form
    105,358,258.90/158,091,880.41 = 76,450,431.39/x
  3. Step 3: Cross multiply
    105,358,258.90x = 158,091,880.41 × 76,450,431.39
  4. Step 4: Simplify right side
    105,358,258.90x = 12,086,192,456,008,262
  5. Step 5: Solve for x
    x = 12,086,192,456,008,262/105,358,258.90
  6. Step 6: Final answer
    x = 114,715,187.80

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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.