Home / 57,815,840.64-86,698,555.20-19,467,050.88

Finding the Fourth Proportional to 57,815,840.64, 86,698,555.20 and 19,467,050.88

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Solution

The fourth proportional to 57,815,840.64, 86,698,555.20 and 19,467,050.88 is: 29,192,089.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,815,840.64 : 86,698,555.20 = 19,467,050.88 : x
  2. Step 2: Convert to fraction form
    57,815,840.64/86,698,555.20 = 19,467,050.88/x
  3. Step 3: Cross multiply
    57,815,840.64x = 86,698,555.20 × 19,467,050.88
  4. Step 4: Simplify right side
    57,815,840.64x = 1,687,765,185,300,888.50
  5. Step 5: Solve for x
    x = 1,687,765,185,300,888.50/57,815,840.64
  6. Step 6: Final answer
    x = 29,192,089.34

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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.