Home / 219,147,218.87-302,428,057.57-125,059,492.92

Finding the Fourth Proportional to 219,147,218.87, 302,428,057.57 and 125,059,492.92

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Solution

The fourth proportional to 219,147,218.87, 302,428,057.57 and 125,059,492.92 is: 172,584,893.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,147,218.87 : 302,428,057.57 = 125,059,492.92 : x
  2. Step 2: Convert to fraction form
    219,147,218.87/302,428,057.57 = 125,059,492.92/x
  3. Step 3: Cross multiply
    219,147,218.87x = 302,428,057.57 × 125,059,492.92
  4. Step 4: Simplify right side
    219,147,218.87x = 37,821,499,524,172,120
  5. Step 5: Solve for x
    x = 37,821,499,524,172,120/219,147,218.87
  6. Step 6: Final answer
    x = 172,584,893.94

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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.