Home / 199,304,858.40-298,957,287.60-91,809,434.40

Finding the Fourth Proportional to 199,304,858.40, 298,957,287.60 and 91,809,434.40

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Solution

The fourth proportional to 199,304,858.40, 298,957,287.60 and 91,809,434.40 is: 137,714,151.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,304,858.40 : 298,957,287.60 = 91,809,434.40 : x
  2. Step 2: Convert to fraction form
    199,304,858.40/298,957,287.60 = 91,809,434.40/x
  3. Step 3: Cross multiply
    199,304,858.40x = 298,957,287.60 × 91,809,434.40
  4. Step 4: Simplify right side
    199,304,858.40x = 27,447,099,484,314,136
  5. Step 5: Solve for x
    x = 27,447,099,484,314,136/199,304,858.40
  6. Step 6: Final answer
    x = 137,714,151.60

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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.