Home / 134,568,240.99-185,704,247.21-72,688,579.89

Finding the Fourth Proportional to 134,568,240.99, 185,704,247.21 and 72,688,579.89

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Solution

The fourth proportional to 134,568,240.99, 185,704,247.21 and 72,688,579.89 is: 100,310,280.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,568,240.99 : 185,704,247.21 = 72,688,579.89 : x
  2. Step 2: Convert to fraction form
    134,568,240.99/185,704,247.21 = 72,688,579.89/x
  3. Step 3: Cross multiply
    134,568,240.99x = 185,704,247.21 × 72,688,579.89
  4. Step 4: Simplify right side
    134,568,240.99x = 13,498,578,008,872,952
  5. Step 5: Solve for x
    x = 13,498,578,008,872,952/134,568,240.99
  6. Step 6: Final answer
    x = 100,310,280.57

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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.