Home / 202,133,615.76-278,945,230.34-109,314,123.60

Finding the Fourth Proportional to 202,133,615.76, 278,945,230.34 and 109,314,123.60

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Solution

The fourth proportional to 202,133,615.76, 278,945,230.34 and 109,314,123.60 is: 150,853,945.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,133,615.76 : 278,945,230.34 = 109,314,123.60 : x
  2. Step 2: Convert to fraction form
    202,133,615.76/278,945,230.34 = 109,314,123.60/x
  3. Step 3: Cross multiply
    202,133,615.76x = 278,945,230.34 × 109,314,123.60
  4. Step 4: Simplify right side
    202,133,615.76x = 30,492,653,386,470,656
  5. Step 5: Solve for x
    x = 30,492,653,386,470,656/202,133,615.76
  6. Step 6: Final answer
    x = 150,853,945.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.