Home / 213,836,046,675.12-320,554,666,154.25-72,246,449,116.98

Finding the Fourth Proportional to 213,836,046,675.12, 320,554,666,154.25 and 72,246,449,116.98

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Solution

The fourth proportional to 213,836,046,675.12, 320,554,666,154.25 and 72,246,449,116.98 is: 108,302,303,272.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,836,046,675.12 : 320,554,666,154.25 = 72,246,449,116.98 : x
  2. Step 2: Convert to fraction form
    213,836,046,675.12/320,554,666,154.25 = 72,246,449,116.98/x
  3. Step 3: Cross multiply
    213,836,046,675.12x = 320,554,666,154.25 × 72,246,449,116.98
  4. Step 4: Simplify right side
    213,836,046,675.12x = 23,158,936,377,523,534,036,992
  5. Step 5: Solve for x
    x = 23,158,936,377,523,534,036,992/213,836,046,675.12
  6. Step 6: Final answer
    x = 108,302,303,272.14

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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.