Home / 201,062,300.85-277,488,442.19-121,721,079.88

Finding the Fourth Proportional to 201,062,300.85, 277,488,442.19 and 121,721,079.88

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Solution

The fourth proportional to 201,062,300.85, 277,488,442.19 and 121,721,079.88 is: 167,988,691.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,062,300.85 : 277,488,442.19 = 121,721,079.88 : x
  2. Step 2: Convert to fraction form
    201,062,300.85/277,488,442.19 = 121,721,079.88/x
  3. Step 3: Cross multiply
    201,062,300.85x = 277,488,442.19 × 121,721,079.88
  4. Step 4: Simplify right side
    201,062,300.85x = 33,776,192,837,552,840
  5. Step 5: Solve for x
    x = 33,776,192,837,552,840/201,062,300.85
  6. Step 6: Final answer
    x = 167,988,691.54

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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.