Home / 179,183,929.80-268,825,661.10-76,996,921.80

Finding the Fourth Proportional to 179,183,929.80, 268,825,661.10 and 76,996,921.80

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Solution

The fourth proportional to 179,183,929.80, 268,825,661.10 and 76,996,921.80 is: 115,516,767.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,183,929.80 : 268,825,661.10 = 76,996,921.80 : x
  2. Step 2: Convert to fraction form
    179,183,929.80/268,825,661.10 = 76,996,921.80/x
  3. Step 3: Cross multiply
    179,183,929.80x = 268,825,661.10 × 76,996,921.80
  4. Step 4: Simplify right side
    179,183,929.80x = 20,698,748,405,550,004
  5. Step 5: Solve for x
    x = 20,698,748,405,550,004/179,183,929.80
  6. Step 6: Final answer
    x = 115,516,767.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.