Home / 55,124,866.80-82,687,300.20-38,685,625.20

Finding the Fourth Proportional to 55,124,866.80, 82,687,300.20 and 38,685,625.20

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Solution

The fourth proportional to 55,124,866.80, 82,687,300.20 and 38,685,625.20 is: 58,028,437.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,124,866.80 : 82,687,300.20 = 38,685,625.20 : x
  2. Step 2: Convert to fraction form
    55,124,866.80/82,687,300.20 = 38,685,625.20/x
  3. Step 3: Cross multiply
    55,124,866.80x = 82,687,300.20 × 38,685,625.20
  4. Step 4: Simplify right side
    55,124,866.80x = 3,198,809,904,337,085.50
  5. Step 5: Solve for x
    x = 3,198,809,904,337,085.50/55,124,866.80
  6. Step 6: Final answer
    x = 58,028,437.80

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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.