Home / 213,686,968,230.74-320,540,760,390.70-70,262,821,056.17

Finding the Fourth Proportional to 213,686,968,230.74, 320,540,760,390.70 and 70,262,821,056.17

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Solution

The fourth proportional to 213,686,968,230.74, 320,540,760,390.70 and 70,262,821,056.17 is: 105,397,620,992.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,686,968,230.74 : 320,540,760,390.70 = 70,262,821,056.17 : x
  2. Step 2: Convert to fraction form
    213,686,968,230.74/320,540,760,390.70 = 70,262,821,056.17/x
  3. Step 3: Cross multiply
    213,686,968,230.74x = 320,540,760,390.70 × 70,262,821,056.17
  4. Step 4: Simplify right side
    213,686,968,230.74x = 22,522,098,088,540,417,032,192
  5. Step 5: Solve for x
    x = 22,522,098,088,540,417,032,192/213,686,968,230.74
  6. Step 6: Final answer
    x = 105,397,620,992.13

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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.