Home / 236,930,639.40-355,395,959.10-196,619,855.40

Finding the Fourth Proportional to 236,930,639.40, 355,395,959.10 and 196,619,855.40

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Solution

The fourth proportional to 236,930,639.40, 355,395,959.10 and 196,619,855.40 is: 294,929,783.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,930,639.40 : 355,395,959.10 = 196,619,855.40 : x
  2. Step 2: Convert to fraction form
    236,930,639.40/355,395,959.10 = 196,619,855.40/x
  3. Step 3: Cross multiply
    236,930,639.40x = 355,395,959.10 × 196,619,855.40
  4. Step 4: Simplify right side
    236,930,639.40x = 69,877,902,087,986,320
  5. Step 5: Solve for x
    x = 69,877,902,087,986,320/236,930,639.40
  6. Step 6: Final answer
    x = 294,929,783.10

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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.