Home / 216,313,504.82-298,512,232.77-117,196,715.66

Finding the Fourth Proportional to 216,313,504.82, 298,512,232.77 and 117,196,715.66

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Solution

The fourth proportional to 216,313,504.82, 298,512,232.77 and 117,196,715.66 is: 161,731,248.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,313,504.82 : 298,512,232.77 = 117,196,715.66 : x
  2. Step 2: Convert to fraction form
    216,313,504.82/298,512,232.77 = 117,196,715.66/x
  3. Step 3: Cross multiply
    216,313,504.82x = 298,512,232.77 × 117,196,715.66
  4. Step 4: Simplify right side
    216,313,504.82x = 34,984,653,264,267,428
  5. Step 5: Solve for x
    x = 34,984,653,264,267,428/216,313,504.82
  6. Step 6: Final answer
    x = 161,731,248.79

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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.