Home / 168,863,763,169.52-253,338,518,570.97-78,170,563,808.00

Finding the Fourth Proportional to 168,863,763,169.52, 253,338,518,570.97 and 78,170,563,808.00

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Solution

The fourth proportional to 168,863,763,169.52, 253,338,518,570.97 and 78,170,563,808.00 is: 117,275,692,897.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,863,763,169.52 : 253,338,518,570.97 = 78,170,563,808.00 : x
  2. Step 2: Convert to fraction form
    168,863,763,169.52/253,338,518,570.97 = 78,170,563,808.00/x
  3. Step 3: Cross multiply
    168,863,763,169.52x = 253,338,518,570.97 × 78,170,563,808.00
  4. Step 4: Simplify right side
    168,863,763,169.52x = 19,803,614,830,974,935,760,896
  5. Step 5: Solve for x
    x = 19,803,614,830,974,935,760,896/168,863,763,169.52
  6. Step 6: Final answer
    x = 117,275,692,897.44

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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.