Home / 51,622,390.80-71,239,811.04-28,101,607.56

Finding the Fourth Proportional to 51,622,390.80, 71,239,811.04 and 28,101,607.56

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Solution

The fourth proportional to 51,622,390.80, 71,239,811.04 and 28,101,607.56 is: 38,780,714.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,622,390.80 : 71,239,811.04 = 28,101,607.56 : x
  2. Step 2: Convert to fraction form
    51,622,390.80/71,239,811.04 = 28,101,607.56/x
  3. Step 3: Cross multiply
    51,622,390.80x = 71,239,811.04 × 28,101,607.56
  4. Step 4: Simplify right side
    51,622,390.80x = 2,001,953,212,494,635.50
  5. Step 5: Solve for x
    x = 2,001,953,212,494,635.50/51,622,390.80
  6. Step 6: Final answer
    x = 38,780,714.75

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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.