Home / 202,133,621.50-278,945,238.27-109,314,129.35

Finding the Fourth Proportional to 202,133,621.50, 278,945,238.27 and 109,314,129.35

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Solution

The fourth proportional to 202,133,621.50, 278,945,238.27 and 109,314,129.35 is: 150,853,953.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,133,621.50 : 278,945,238.27 = 109,314,129.35 : x
  2. Step 2: Convert to fraction form
    202,133,621.50/278,945,238.27 = 109,314,129.35/x
  3. Step 3: Cross multiply
    202,133,621.50x = 278,945,238.27 × 109,314,129.35
  4. Step 4: Simplify right side
    202,133,621.50x = 30,492,655,857,813,348
  5. Step 5: Solve for x
    x = 30,492,655,857,813,348/202,133,621.50
  6. Step 6: Final answer
    x = 150,853,953.10

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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.