Home / 122,348,010.20-183,522,015.30-85,997,445.80

Finding the Fourth Proportional to 122,348,010.20, 183,522,015.30 and 85,997,445.80

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Solution

The fourth proportional to 122,348,010.20, 183,522,015.30 and 85,997,445.80 is: 128,996,168.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,348,010.20 : 183,522,015.30 = 85,997,445.80 : x
  2. Step 2: Convert to fraction form
    122,348,010.20/183,522,015.30 = 85,997,445.80/x
  3. Step 3: Cross multiply
    122,348,010.20x = 183,522,015.30 × 85,997,445.80
  4. Step 4: Simplify right side
    122,348,010.20x = 15,782,424,563,868,522
  5. Step 5: Solve for x
    x = 15,782,424,563,868,522/122,348,010.20
  6. Step 6: Final answer
    x = 128,996,168.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.