Home / 121,028,781.90-167,006,840.25-68,104,565.34

Finding the Fourth Proportional to 121,028,781.90, 167,006,840.25 and 68,104,565.34

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Solution

The fourth proportional to 121,028,781.90, 167,006,840.25 and 68,104,565.34 is: 93,977,053.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,028,781.90 : 167,006,840.25 = 68,104,565.34 : x
  2. Step 2: Convert to fraction form
    121,028,781.90/167,006,840.25 = 68,104,565.34/x
  3. Step 3: Cross multiply
    121,028,781.90x = 167,006,840.25 × 68,104,565.34
  4. Step 4: Simplify right side
    121,028,781.90x = 11,373,928,264,033,068
  5. Step 5: Solve for x
    x = 11,373,928,264,033,068/121,028,781.90
  6. Step 6: Final answer
    x = 93,977,053.11

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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.