Home / 134,568,236.49-185,704,241.00-72,688,575.39

Finding the Fourth Proportional to 134,568,236.49, 185,704,241.00 and 72,688,575.39

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Solution

The fourth proportional to 134,568,236.49, 185,704,241.00 and 72,688,575.39 is: 100,310,274.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,568,236.49 : 185,704,241.00 = 72,688,575.39 : x
  2. Step 2: Convert to fraction form
    134,568,236.49/185,704,241.00 = 72,688,575.39/x
  3. Step 3: Cross multiply
    134,568,236.49x = 185,704,241.00 × 72,688,575.39
  4. Step 4: Simplify right side
    134,568,236.49x = 13,498,576,721,807,786
  5. Step 5: Solve for x
    x = 13,498,576,721,807,786/134,568,236.49
  6. Step 6: Final answer
    x = 100,310,274.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.