Home / 189,208,027.20-283,812,040.80-186,019,381.20

Finding the Fourth Proportional to 189,208,027.20, 283,812,040.80 and 186,019,381.20

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Solution

The fourth proportional to 189,208,027.20, 283,812,040.80 and 186,019,381.20 is: 279,029,071.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,208,027.20 : 283,812,040.80 = 186,019,381.20 : x
  2. Step 2: Convert to fraction form
    189,208,027.20/283,812,040.80 = 186,019,381.20/x
  3. Step 3: Cross multiply
    189,208,027.20x = 283,812,040.80 × 186,019,381.20
  4. Step 4: Simplify right side
    189,208,027.20x = 52,794,540,206,725,152
  5. Step 5: Solve for x
    x = 52,794,540,206,725,152/189,208,027.20
  6. Step 6: Final answer
    x = 279,029,071.80

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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.