Home / 289,954,501.56-400,221,529.37-189,498,050.76

Finding the Fourth Proportional to 289,954,501.56, 400,221,529.37 and 189,498,050.76

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Solution

The fourth proportional to 289,954,501.56, 400,221,529.37 and 189,498,050.76 is: 261,562,415.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,954,501.56 : 400,221,529.37 = 189,498,050.76 : x
  2. Step 2: Convert to fraction form
    289,954,501.56/400,221,529.37 = 189,498,050.76/x
  3. Step 3: Cross multiply
    289,954,501.56x = 400,221,529.37 × 189,498,050.76
  4. Step 4: Simplify right side
    289,954,501.56x = 75,841,199,686,774,000
  5. Step 5: Solve for x
    x = 75,841,199,686,774,000/289,954,501.56
  6. Step 6: Final answer
    x = 261,562,415.06

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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.