Home / 213,899,461,212.80-320,849,191,819.20-114,719,816,028.80

Finding the Fourth Proportional to 213,899,461,212.80, 320,849,191,819.20 and 114,719,816,028.80

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Solution

The fourth proportional to 213,899,461,212.80, 320,849,191,819.20 and 114,719,816,028.80 is: 172,079,724,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,899,461,212.80 : 320,849,191,819.20 = 114,719,816,028.80 : x
  2. Step 2: Convert to fraction form
    213,899,461,212.80/320,849,191,819.20 = 114,719,816,028.80/x
  3. Step 3: Cross multiply
    213,899,461,212.80x = 320,849,191,819.20 × 114,719,816,028.80
  4. Step 4: Simplify right side
    213,899,461,212.80x = 36,807,760,258,487,786,930,176
  5. Step 5: Solve for x
    x = 36,807,760,258,487,786,930,176/213,899,461,212.80
  6. Step 6: Final answer
    x = 172,079,724,043.20

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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.