Home / 134,568,315.42-185,704,350.03-72,688,654.50

Finding the Fourth Proportional to 134,568,315.42, 185,704,350.03 and 72,688,654.50

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Solution

The fourth proportional to 134,568,315.42, 185,704,350.03 and 72,688,654.50 is: 100,310,383.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,568,315.42 : 185,704,350.03 = 72,688,654.50 : x
  2. Step 2: Convert to fraction form
    134,568,315.42/185,704,350.03 = 72,688,654.50/x
  3. Step 3: Cross multiply
    134,568,315.42x = 185,704,350.03 × 72,688,654.50
  4. Step 4: Simplify right side
    134,568,315.42x = 13,498,599,338,477,734
  5. Step 5: Solve for x
    x = 13,498,599,338,477,734/134,568,315.42
  6. Step 6: Final answer
    x = 100,310,383.59

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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.