Home / 121,735,512.91-168,010,565.99-68,093,155.25

Finding the Fourth Proportional to 121,735,512.91, 168,010,565.99 and 68,093,155.25

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Solution

The fourth proportional to 121,735,512.91, 168,010,565.99 and 68,093,155.25 is: 93,977,256.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,735,512.91 : 168,010,565.99 = 68,093,155.25 : x
  2. Step 2: Convert to fraction form
    121,735,512.91/168,010,565.99 = 68,093,155.25/x
  3. Step 3: Cross multiply
    121,735,512.91x = 168,010,565.99 × 68,093,155.25
  4. Step 4: Simplify right side
    121,735,512.91x = 11,440,369,554,174,300
  5. Step 5: Solve for x
    x = 11,440,369,554,174,300/121,735,512.91
  6. Step 6: Final answer
    x = 93,977,256.76

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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.