Home / 54,865,986.60-82,214,999.10-51,842,677.80

Finding the Fourth Proportional to 54,865,986.60, 82,214,999.10 and 51,842,677.80

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Solution

The fourth proportional to 54,865,986.60, 82,214,999.10 and 51,842,677.80 is: 77,684,663.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,865,986.60 : 82,214,999.10 = 51,842,677.80 : x
  2. Step 2: Convert to fraction form
    54,865,986.60/82,214,999.10 = 51,842,677.80/x
  3. Step 3: Cross multiply
    54,865,986.60x = 82,214,999.10 × 51,842,677.80
  4. Step 4: Simplify right side
    54,865,986.60x = 4,262,245,708,668,589.50
  5. Step 5: Solve for x
    x = 4,262,245,708,668,589.50/54,865,986.60
  6. Step 6: Final answer
    x = 77,684,663.54

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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.