Home / 216,219,748.82-298,381,774.59-117,098,216.60

Finding the Fourth Proportional to 216,219,748.82, 298,381,774.59 and 117,098,216.60

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Solution

The fourth proportional to 216,219,748.82, 298,381,774.59 and 117,098,216.60 is: 161,594,738.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,219,748.82 : 298,381,774.59 = 117,098,216.60 : x
  2. Step 2: Convert to fraction form
    216,219,748.82/298,381,774.59 = 117,098,216.60/x
  3. Step 3: Cross multiply
    216,219,748.82x = 298,381,774.59 × 117,098,216.60
  4. Step 4: Simplify right side
    216,219,748.82x = 34,939,973,668,940,284
  5. Step 5: Solve for x
    x = 34,939,973,668,940,284/216,219,748.82
  6. Step 6: Final answer
    x = 161,594,738.04

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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.