Home / 218,878,383.60-302,049,929.88-121,093,939.44

Finding the Fourth Proportional to 218,878,383.60, 302,049,929.88 and 121,093,939.44

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Solution

The fourth proportional to 218,878,383.60, 302,049,929.88 and 121,093,939.44 is: 167,108,397.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,878,383.60 : 302,049,929.88 = 121,093,939.44 : x
  2. Step 2: Convert to fraction form
    218,878,383.60/302,049,929.88 = 121,093,939.44/x
  3. Step 3: Cross multiply
    218,878,383.60x = 302,049,929.88 × 121,093,939.44
  4. Step 4: Simplify right side
    218,878,383.60x = 36,576,415,916,744,968
  5. Step 5: Solve for x
    x = 36,576,415,916,744,968/218,878,383.60
  6. Step 6: Final answer
    x = 167,108,397.44

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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.