Home / 127,782,772.50-191,597,438.79-58,608,924.78

Finding the Fourth Proportional to 127,782,772.50, 191,597,438.79 and 58,608,924.78

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Solution

The fourth proportional to 127,782,772.50, 191,597,438.79 and 58,608,924.78 is: 87,878,198.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,782,772.50 : 191,597,438.79 = 58,608,924.78 : x
  2. Step 2: Convert to fraction form
    127,782,772.50/191,597,438.79 = 58,608,924.78/x
  3. Step 3: Cross multiply
    127,782,772.50x = 191,597,438.79 × 58,608,924.78
  4. Step 4: Simplify right side
    127,782,772.50x = 11,229,319,878,083,764
  5. Step 5: Solve for x
    x = 11,229,319,878,083,764/127,782,772.50
  6. Step 6: Final answer
    x = 87,878,198.75

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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.