Home / 223,435,823.10-308,336,602.92-129,353,958.96

Finding the Fourth Proportional to 223,435,823.10, 308,336,602.92 and 129,353,958.96

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Solution

The fourth proportional to 223,435,823.10, 308,336,602.92 and 129,353,958.96 is: 178,505,665.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,435,823.10 : 308,336,602.92 = 129,353,958.96 : x
  2. Step 2: Convert to fraction form
    223,435,823.10/308,336,602.92 = 129,353,958.96/x
  3. Step 3: Cross multiply
    223,435,823.10x = 308,336,602.92 × 129,353,958.96
  4. Step 4: Simplify right side
    223,435,823.10x = 39,884,560,279,979,496
  5. Step 5: Solve for x
    x = 39,884,560,279,979,496/223,435,823.10
  6. Step 6: Final answer
    x = 178,505,665.41

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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.