Home / 220,642,247.37-304,500,129.62-121,522,975.05

Finding the Fourth Proportional to 220,642,247.37, 304,500,129.62 and 121,522,975.05

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Solution

The fourth proportional to 220,642,247.37, 304,500,129.62 and 121,522,975.05 is: 167,709,321.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,642,247.37 : 304,500,129.62 = 121,522,975.05 : x
  2. Step 2: Convert to fraction form
    220,642,247.37/304,500,129.62 = 121,522,975.05/x
  3. Step 3: Cross multiply
    220,642,247.37x = 304,500,129.62 × 121,522,975.05
  4. Step 4: Simplify right side
    220,642,247.37x = 37,003,761,654,533,024
  5. Step 5: Solve for x
    x = 37,003,761,654,533,024/220,642,247.37
  6. Step 6: Final answer
    x = 167,709,321.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.