Home / 222,126,709.76-306,319,511.04-173,216,291.84

Finding the Fourth Proportional to 222,126,709.76, 306,319,511.04 and 173,216,291.84

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Solution

The fourth proportional to 222,126,709.76, 306,319,511.04 and 173,216,291.84 is: 238,870,552.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,126,709.76 : 306,319,511.04 = 173,216,291.84 : x
  2. Step 2: Convert to fraction form
    222,126,709.76/306,319,511.04 = 173,216,291.84/x
  3. Step 3: Cross multiply
    222,126,709.76x = 306,319,511.04 × 173,216,291.84
  4. Step 4: Simplify right side
    222,126,709.76x = 53,059,529,820,590,744
  5. Step 5: Solve for x
    x = 53,059,529,820,590,744/222,126,709.76
  6. Step 6: Final answer
    x = 238,870,552.21

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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.