Home / 201,429,481,198.40-277,997,059,151.04-114,643,151,775.36

Finding the Fourth Proportional to 201,429,481,198.40, 277,997,059,151.04 and 114,643,151,775.36

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Solution

The fourth proportional to 201,429,481,198.40, 277,997,059,151.04 and 114,643,151,775.36 is: 158,221,422,483.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,429,481,198.40 : 277,997,059,151.04 = 114,643,151,775.36 : x
  2. Step 2: Convert to fraction form
    201,429,481,198.40/277,997,059,151.04 = 114,643,151,775.36/x
  3. Step 3: Cross multiply
    201,429,481,198.40x = 277,997,059,151.04 × 114,643,151,775.36
  4. Step 4: Simplify right side
    201,429,481,198.40x = 31,870,459,045,356,408,668,160
  5. Step 5: Solve for x
    x = 31,870,459,045,356,408,668,160/201,429,481,198.40
  6. Step 6: Final answer
    x = 158,221,422,483.66

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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.