Home / 255,571,279.20-383,356,918.80-83,065,530.60

Finding the Fourth Proportional to 255,571,279.20, 383,356,918.80 and 83,065,530.60

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Solution

The fourth proportional to 255,571,279.20, 383,356,918.80 and 83,065,530.60 is: 124,598,295.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,571,279.20 : 383,356,918.80 = 83,065,530.60 : x
  2. Step 2: Convert to fraction form
    255,571,279.20/383,356,918.80 = 83,065,530.60/x
  3. Step 3: Cross multiply
    255,571,279.20x = 383,356,918.80 × 83,065,530.60
  4. Step 4: Simplify right side
    255,571,279.20x = 31,843,745,869,303,112
  5. Step 5: Solve for x
    x = 31,843,745,869,303,112/255,571,279.20
  6. Step 6: Final answer
    x = 124,598,295.90

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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.