Home / 55,315,969.20-82,973,953.80-52,481,617.20

Finding the Fourth Proportional to 55,315,969.20, 82,973,953.80 and 52,481,617.20

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Solution

The fourth proportional to 55,315,969.20, 82,973,953.80 and 52,481,617.20 is: 78,722,425.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,315,969.20 : 82,973,953.80 = 52,481,617.20 : x
  2. Step 2: Convert to fraction form
    55,315,969.20/82,973,953.80 = 52,481,617.20/x
  3. Step 3: Cross multiply
    55,315,969.20x = 82,973,953.80 × 52,481,617.20
  4. Step 4: Simplify right side
    55,315,969.20x = 4,354,607,280,902,085.50
  5. Step 5: Solve for x
    x = 4,354,607,280,902,085.50/55,315,969.20
  6. Step 6: Final answer
    x = 78,722,425.80

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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.