Home / 219,147,263.78-302,428,118.27-125,059,537.15

Finding the Fourth Proportional to 219,147,263.78, 302,428,118.27 and 125,059,537.15

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Solution

The fourth proportional to 219,147,263.78, 302,428,118.27 and 125,059,537.15 is: 172,584,954.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,147,263.78 : 302,428,118.27 = 125,059,537.15 : x
  2. Step 2: Convert to fraction form
    219,147,263.78/302,428,118.27 = 125,059,537.15/x
  3. Step 3: Cross multiply
    219,147,263.78x = 302,428,118.27 × 125,059,537.15
  4. Step 4: Simplify right side
    219,147,263.78x = 37,821,520,493,247,880
  5. Step 5: Solve for x
    x = 37,821,520,493,247,880/219,147,263.78
  6. Step 6: Final answer
    x = 172,584,954.25

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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.