Home / 120,294,168.60-166,006,114.02-65,290,010.52

Finding the Fourth Proportional to 120,294,168.60, 166,006,114.02 and 65,290,010.52

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Solution

The fourth proportional to 120,294,168.60, 166,006,114.02 and 65,290,010.52 is: 90,100,302.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,294,168.60 : 166,006,114.02 = 65,290,010.52 : x
  2. Step 2: Convert to fraction form
    120,294,168.60/166,006,114.02 = 65,290,010.52/x
  3. Step 3: Cross multiply
    120,294,168.60x = 166,006,114.02 × 65,290,010.52
  4. Step 4: Simplify right side
    120,294,168.60x = 10,838,540,930,750,120
  5. Step 5: Solve for x
    x = 10,838,540,930,750,120/120,294,168.60
  6. Step 6: Final answer
    x = 90,100,302.09

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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.