Home / 109,185,588,002.20-163,778,382,003.30-91,553,651,080.60

Finding the Fourth Proportional to 109,185,588,002.20, 163,778,382,003.30 and 91,553,651,080.60

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Solution

The fourth proportional to 109,185,588,002.20, 163,778,382,003.30 and 91,553,651,080.60 is: 137,330,476,620.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,185,588,002.20 : 163,778,382,003.30 = 91,553,651,080.60 : x
  2. Step 2: Convert to fraction form
    109,185,588,002.20/163,778,382,003.30 = 91,553,651,080.60/x
  3. Step 3: Cross multiply
    109,185,588,002.20x = 163,778,382,003.30 × 91,553,651,080.60
  4. Step 4: Simplify right side
    109,185,588,002.20x = 14,994,508,840,475,346,075,648
  5. Step 5: Solve for x
    x = 14,994,508,840,475,346,075,648/109,185,588,002.20
  6. Step 6: Final answer
    x = 137,330,476,620.90

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1.5x scale

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.