Home / 127,782,831-191,597,526.54-58,608,983.28

Finding the Fourth Proportional to 127,782,831, 191,597,526.54 and 58,608,983.28

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Solution

The fourth proportional to 127,782,831, 191,597,526.54 and 58,608,983.28 is: 87,878,286.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,782,831 : 191,597,526.54 = 58,608,983.28 : x
  2. Step 2: Convert to fraction form
    127,782,831/191,597,526.54 = 58,608,983.28/x
  3. Step 3: Cross multiply
    127,782,831x = 191,597,526.54 × 58,608,983.28
  4. Step 4: Simplify right side
    127,782,831x = 11,229,336,229,472,216
  5. Step 5: Solve for x
    x = 11,229,336,229,472,216/127,782,831
  6. Step 6: Final answer
    x = 87,878,286.48

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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.