Home / 122,348,022.70-183,522,034.05-85,997,458.30

Finding the Fourth Proportional to 122,348,022.70, 183,522,034.05 and 85,997,458.30

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Solution

The fourth proportional to 122,348,022.70, 183,522,034.05 and 85,997,458.30 is: 128,996,187.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,348,022.70 : 183,522,034.05 = 85,997,458.30 : x
  2. Step 2: Convert to fraction form
    122,348,022.70/183,522,034.05 = 85,997,458.30/x
  3. Step 3: Cross multiply
    122,348,022.70x = 183,522,034.05 × 85,997,458.30
  4. Step 4: Simplify right side
    122,348,022.70x = 15,782,428,470,346,056
  5. Step 5: Solve for x
    x = 15,782,428,470,346,056/122,348,022.70
  6. Step 6: Final answer
    x = 128,996,187.45

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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.