Home / 217,819,887.40-326,729,831.10-168,502,162.60

Finding the Fourth Proportional to 217,819,887.40, 326,729,831.10 and 168,502,162.60

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Solution

The fourth proportional to 217,819,887.40, 326,729,831.10 and 168,502,162.60 is: 252,753,243.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,819,887.40 : 326,729,831.10 = 168,502,162.60 : x
  2. Step 2: Convert to fraction form
    217,819,887.40/326,729,831.10 = 168,502,162.60/x
  3. Step 3: Cross multiply
    217,819,887.40x = 326,729,831.10 × 168,502,162.60
  4. Step 4: Simplify right side
    217,819,887.40x = 55,054,683,126,282,736
  5. Step 5: Solve for x
    x = 55,054,683,126,282,736/217,819,887.40
  6. Step 6: Final answer
    x = 252,753,243.90

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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.