Home / 144,051,258.78-198,809,660.88-82,157,409.18

Finding the Fourth Proportional to 144,051,258.78, 198,809,660.88 and 82,157,409.18

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Solution

The fourth proportional to 144,051,258.78, 198,809,660.88 and 82,157,409.18 is: 113,388,017.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,051,258.78 : 198,809,660.88 = 82,157,409.18 : x
  2. Step 2: Convert to fraction form
    144,051,258.78/198,809,660.88 = 82,157,409.18/x
  3. Step 3: Cross multiply
    144,051,258.78x = 198,809,660.88 × 82,157,409.18
  4. Step 4: Simplify right side
    144,051,258.78x = 16,333,686,657,855,200
  5. Step 5: Solve for x
    x = 16,333,686,657,855,200/144,051,258.78
  6. Step 6: Final answer
    x = 113,388,017.54

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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.