Home / 217,809,715.20-326,316,441.60-177,200,332.80

Finding the Fourth Proportional to 217,809,715.20, 326,316,441.60 and 177,200,332.80

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Solution

The fourth proportional to 217,809,715.20, 326,316,441.60 and 177,200,332.80 is: 265,476,597.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,809,715.20 : 326,316,441.60 = 177,200,332.80 : x
  2. Step 2: Convert to fraction form
    217,809,715.20/326,316,441.60 = 177,200,332.80/x
  3. Step 3: Cross multiply
    217,809,715.20x = 326,316,441.60 × 177,200,332.80
  4. Step 4: Simplify right side
    217,809,715.20x = 57,823,382,049,631,776
  5. Step 5: Solve for x
    x = 57,823,382,049,631,776/217,809,715.20
  6. Step 6: Final answer
    x = 265,476,597.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.