Home / 198,040,014.24-273,323,640.40-118,658,209.20

Finding the Fourth Proportional to 198,040,014.24, 273,323,640.40 and 118,658,209.20

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Solution

The fourth proportional to 198,040,014.24, 273,323,640.40 and 118,658,209.20 is: 163,765,357.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,040,014.24 : 273,323,640.40 = 118,658,209.20 : x
  2. Step 2: Convert to fraction form
    198,040,014.24/273,323,640.40 = 118,658,209.20/x
  3. Step 3: Cross multiply
    198,040,014.24x = 273,323,640.40 × 118,658,209.20
  4. Step 4: Simplify right side
    198,040,014.24x = 32,432,093,701,888,768
  5. Step 5: Solve for x
    x = 32,432,093,701,888,768/198,040,014.24
  6. Step 6: Final answer
    x = 163,765,357.35

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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.