Home / 216,148,497,188.86-324,157,469,466.34-65,014,678,172.79

Finding the Fourth Proportional to 216,148,497,188.86, 324,157,469,466.34 and 65,014,678,172.79

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Solution

The fourth proportional to 216,148,497,188.86, 324,157,469,466.34 and 65,014,678,172.79 is: 97,502,382,985.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,148,497,188.86 : 324,157,469,466.34 = 65,014,678,172.79 : x
  2. Step 2: Convert to fraction form
    216,148,497,188.86/324,157,469,466.34 = 65,014,678,172.79/x
  3. Step 3: Cross multiply
    216,148,497,188.86x = 324,157,469,466.34 × 65,014,678,172.79
  4. Step 4: Simplify right side
    216,148,497,188.86x = 21,074,993,554,660,096,212,992
  5. Step 5: Solve for x
    x = 21,074,993,554,660,096,212,992/216,148,497,188.86
  6. Step 6: Final answer
    x = 97,502,382,985.55

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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.