Home / 229,128,915.25-316,197,885.51-124,707,735.28

Finding the Fourth Proportional to 229,128,915.25, 316,197,885.51 and 124,707,735.28

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Solution

The fourth proportional to 229,128,915.25, 316,197,885.51 and 124,707,735.28 is: 172,096,665.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,128,915.25 : 316,197,885.51 = 124,707,735.28 : x
  2. Step 2: Convert to fraction form
    229,128,915.25/316,197,885.51 = 124,707,735.28/x
  3. Step 3: Cross multiply
    229,128,915.25x = 316,197,885.51 × 124,707,735.28
  4. Step 4: Simplify right side
    229,128,915.25x = 39,432,322,202,276,824
  5. Step 5: Solve for x
    x = 39,432,322,202,276,824/229,128,915.25
  6. Step 6: Final answer
    x = 172,096,665.14

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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.