Home / 202,133,627.61-278,945,246.71-109,314,135.48

Finding the Fourth Proportional to 202,133,627.61, 278,945,246.71 and 109,314,135.48

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Solution

The fourth proportional to 202,133,627.61, 278,945,246.71 and 109,314,135.48 is: 150,853,961.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,133,627.61 : 278,945,246.71 = 109,314,135.48 : x
  2. Step 2: Convert to fraction form
    202,133,627.61/278,945,246.71 = 109,314,135.48/x
  3. Step 3: Cross multiply
    202,133,627.61x = 278,945,246.71 × 109,314,135.48
  4. Step 4: Simplify right side
    202,133,627.61x = 30,492,658,490,358,964
  5. Step 5: Solve for x
    x = 30,492,658,490,358,964/202,133,627.61
  6. Step 6: Final answer
    x = 150,853,961.56

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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.