Home / 100,939,218.48-151,410,029.22-28,151,570.61

Finding the Fourth Proportional to 100,939,218.48, 151,410,029.22 and 28,151,570.61

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Solution

The fourth proportional to 100,939,218.48, 151,410,029.22 and 28,151,570.61 is: 42,227,691.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,939,218.48 : 151,410,029.22 = 28,151,570.61 : x
  2. Step 2: Convert to fraction form
    100,939,218.48/151,410,029.22 = 28,151,570.61/x
  3. Step 3: Cross multiply
    100,939,218.48x = 151,410,029.22 × 28,151,570.61
  4. Step 4: Simplify right side
    100,939,218.48x = 4,262,430,128,648,993
  5. Step 5: Solve for x
    x = 4,262,430,128,648,993/100,939,218.48
  6. Step 6: Final answer
    x = 42,227,691.01

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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.