Home / 55,182,484.35-82,770,974.95-20,636,346.33

Finding the Fourth Proportional to 55,182,484.35, 82,770,974.95 and 20,636,346.33

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Solution

The fourth proportional to 55,182,484.35, 82,770,974.95 and 20,636,346.33 is: 30,953,490.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,182,484.35 : 82,770,974.95 = 20,636,346.33 : x
  2. Step 2: Convert to fraction form
    55,182,484.35/82,770,974.95 = 20,636,346.33/x
  3. Step 3: Cross multiply
    55,182,484.35x = 82,770,974.95 × 20,636,346.33
  4. Step 4: Simplify right side
    55,182,484.35x = 1,708,090,505,388,905.75
  5. Step 5: Solve for x
    x = 1,708,090,505,388,905.75/55,182,484.35
  6. Step 6: Final answer
    x = 30,953,490.50

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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.