Home / 55,130,821.20-82,696,231.80-36,943,729.20

Finding the Fourth Proportional to 55,130,821.20, 82,696,231.80 and 36,943,729.20

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Solution

The fourth proportional to 55,130,821.20, 82,696,231.80 and 36,943,729.20 is: 55,415,593.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,130,821.20 : 82,696,231.80 = 36,943,729.20 : x
  2. Step 2: Convert to fraction form
    55,130,821.20/82,696,231.80 = 36,943,729.20/x
  3. Step 3: Cross multiply
    55,130,821.20x = 82,696,231.80 × 36,943,729.20
  4. Step 4: Simplify right side
    55,130,821.20x = 3,055,107,193,479,628.50
  5. Step 5: Solve for x
    x = 3,055,107,193,479,628.50/55,130,821.20
  6. Step 6: Final answer
    x = 55,415,593.80

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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.