Home / 202,133,628.11-278,945,247.40-109,314,135.98

Finding the Fourth Proportional to 202,133,628.11, 278,945,247.40 and 109,314,135.98

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Solution

The fourth proportional to 202,133,628.11, 278,945,247.40 and 109,314,135.98 is: 150,853,962.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,133,628.11 : 278,945,247.40 = 109,314,135.98 : x
  2. Step 2: Convert to fraction form
    202,133,628.11/278,945,247.40 = 109,314,135.98/x
  3. Step 3: Cross multiply
    202,133,628.11x = 278,945,247.40 × 109,314,135.98
  4. Step 4: Simplify right side
    202,133,628.11x = 30,492,658,705,258,340
  5. Step 5: Solve for x
    x = 30,492,658,705,258,340/202,133,628.11
  6. Step 6: Final answer
    x = 150,853,962.25

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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.