Home / 193,643,536.20-290,465,304.30-178,862,915.40

Finding the Fourth Proportional to 193,643,536.20, 290,465,304.30 and 178,862,915.40

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Solution

The fourth proportional to 193,643,536.20, 290,465,304.30 and 178,862,915.40 is: 268,294,373.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,643,536.20 : 290,465,304.30 = 178,862,915.40 : x
  2. Step 2: Convert to fraction form
    193,643,536.20/290,465,304.30 = 178,862,915.40/x
  3. Step 3: Cross multiply
    193,643,536.20x = 290,465,304.30 × 178,862,915.40
  4. Step 4: Simplify right side
    193,643,536.20x = 51,953,471,149,646,160
  5. Step 5: Solve for x
    x = 51,953,471,149,646,160/193,643,536.20
  6. Step 6: Final answer
    x = 268,294,373.10

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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.