Home / 189,772,889.58-261,887,200.92-106,142,454

Finding the Fourth Proportional to 189,772,889.58, 261,887,200.92 and 106,142,454

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Solution

The fourth proportional to 189,772,889.58, 261,887,200.92 and 106,142,454 is: 146,476,929.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,772,889.58 : 261,887,200.92 = 106,142,454 : x
  2. Step 2: Convert to fraction form
    189,772,889.58/261,887,200.92 = 106,142,454/x
  3. Step 3: Cross multiply
    189,772,889.58x = 261,887,200.92 × 106,142,454
  4. Step 4: Simplify right side
    189,772,889.58x = 27,797,350,176,839,856
  5. Step 5: Solve for x
    x = 27,797,350,176,839,856/189,772,889.58
  6. Step 6: Final answer
    x = 146,476,929.55

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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.