Home / 202,133,615.51-278,945,229.99-109,314,123.35

Finding the Fourth Proportional to 202,133,615.51, 278,945,229.99 and 109,314,123.35

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Solution

The fourth proportional to 202,133,615.51, 278,945,229.99 and 109,314,123.35 is: 150,853,944.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,133,615.51 : 278,945,229.99 = 109,314,123.35 : x
  2. Step 2: Convert to fraction form
    202,133,615.51/278,945,229.99 = 109,314,123.35/x
  3. Step 3: Cross multiply
    202,133,615.51x = 278,945,229.99 × 109,314,123.35
  4. Step 4: Simplify right side
    202,133,615.51x = 30,492,653,279,020,980
  5. Step 5: Solve for x
    x = 30,492,653,279,020,980/202,133,615.51
  6. Step 6: Final answer
    x = 150,853,944.82

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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.