Home / 95,405,901.20-143,108,851.80-31,580,493.20

Finding the Fourth Proportional to 95,405,901.20, 143,108,851.80 and 31,580,493.20

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Solution

The fourth proportional to 95,405,901.20, 143,108,851.80 and 31,580,493.20 is: 47,370,739.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,405,901.20 : 143,108,851.80 = 31,580,493.20 : x
  2. Step 2: Convert to fraction form
    95,405,901.20/143,108,851.80 = 31,580,493.20/x
  3. Step 3: Cross multiply
    95,405,901.20x = 143,108,851.80 × 31,580,493.20
  4. Step 4: Simplify right side
    95,405,901.20x = 4,519,448,121,129,708
  5. Step 5: Solve for x
    x = 4,519,448,121,129,708/95,405,901.20
  6. Step 6: Final answer
    x = 47,370,739.80

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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.