Home / 199,304,690.40-298,957,035.60-91,809,266.40

Finding the Fourth Proportional to 199,304,690.40, 298,957,035.60 and 91,809,266.40

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Solution

The fourth proportional to 199,304,690.40, 298,957,035.60 and 91,809,266.40 is: 137,713,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,304,690.40 : 298,957,035.60 = 91,809,266.40 : x
  2. Step 2: Convert to fraction form
    199,304,690.40/298,957,035.60 = 91,809,266.40/x
  3. Step 3: Cross multiply
    199,304,690.40x = 298,957,035.60 × 91,809,266.40
  4. Step 4: Simplify right side
    199,304,690.40x = 27,447,026,123,554,688
  5. Step 5: Solve for x
    x = 27,447,026,123,554,688/199,304,690.40
  6. Step 6: Final answer
    x = 137,713,899.60

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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.