Home / 213,836,046,705.12-320,554,666,199.22-72,246,449,146.98

Finding the Fourth Proportional to 213,836,046,705.12, 320,554,666,199.22 and 72,246,449,146.98

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Solution

The fourth proportional to 213,836,046,705.12, 320,554,666,199.22 and 72,246,449,146.98 is: 108,302,303,317.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,836,046,705.12 : 320,554,666,199.22 = 72,246,449,146.98 : x
  2. Step 2: Convert to fraction form
    213,836,046,705.12/320,554,666,199.22 = 72,246,449,146.98/x
  3. Step 3: Cross multiply
    213,836,046,705.12x = 320,554,666,199.22 × 72,246,449,146.98
  4. Step 4: Simplify right side
    213,836,046,705.12x = 23,158,936,390,389,091,794,944
  5. Step 5: Solve for x
    x = 23,158,936,390,389,091,794,944/213,836,046,705.12
  6. Step 6: Final answer
    x = 108,302,303,317.11

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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.