Home / 121,028,780.40-167,006,838.18-68,104,563.84

Finding the Fourth Proportional to 121,028,780.40, 167,006,838.18 and 68,104,563.84

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Solution

The fourth proportional to 121,028,780.40, 167,006,838.18 and 68,104,563.84 is: 93,977,051.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,028,780.40 : 167,006,838.18 = 68,104,563.84 : x
  2. Step 2: Convert to fraction form
    121,028,780.40/167,006,838.18 = 68,104,563.84/x
  3. Step 3: Cross multiply
    121,028,780.40x = 167,006,838.18 × 68,104,563.84
  4. Step 4: Simplify right side
    121,028,780.40x = 11,373,927,872,546,360
  5. Step 5: Solve for x
    x = 11,373,927,872,546,360/121,028,780.40
  6. Step 6: Final answer
    x = 93,977,051.04

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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.