Home / 219,229,955.49-302,576,319.78-131,133,645.23

Finding the Fourth Proportional to 219,229,955.49, 302,576,319.78 and 131,133,645.23

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Solution

The fourth proportional to 219,229,955.49, 302,576,319.78 and 131,133,645.23 is: 180,987,747.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,229,955.49 : 302,576,319.78 = 131,133,645.23 : x
  2. Step 2: Convert to fraction form
    219,229,955.49/302,576,319.78 = 131,133,645.23/x
  3. Step 3: Cross multiply
    219,229,955.49x = 302,576,319.78 × 131,133,645.23
  4. Step 4: Simplify right side
    219,229,955.49x = 39,677,935,771,024,920
  5. Step 5: Solve for x
    x = 39,677,935,771,024,920/219,229,955.49
  6. Step 6: Final answer
    x = 180,987,747.23

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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.