Home / 101,121,666.40-151,682,499.60-100,113,896.80

Finding the Fourth Proportional to 101,121,666.40, 151,682,499.60 and 100,113,896.80

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Solution

The fourth proportional to 101,121,666.40, 151,682,499.60 and 100,113,896.80 is: 150,170,845.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,121,666.40 : 151,682,499.60 = 100,113,896.80 : x
  2. Step 2: Convert to fraction form
    101,121,666.40/151,682,499.60 = 100,113,896.80/x
  3. Step 3: Cross multiply
    101,121,666.40x = 151,682,499.60 × 100,113,896.80
  4. Step 4: Simplify right side
    101,121,666.40x = 15,185,526,111,320,440
  5. Step 5: Solve for x
    x = 15,185,526,111,320,440/101,121,666.40
  6. Step 6: Final answer
    x = 150,170,845.20

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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.