Home / 134,568,322.92-185,704,360.38-72,688,662

Finding the Fourth Proportional to 134,568,322.92, 185,704,360.38 and 72,688,662

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Solution

The fourth proportional to 134,568,322.92, 185,704,360.38 and 72,688,662 is: 100,310,393.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,568,322.92 : 185,704,360.38 = 72,688,662 : x
  2. Step 2: Convert to fraction form
    134,568,322.92/185,704,360.38 = 72,688,662/x
  3. Step 3: Cross multiply
    134,568,322.92x = 185,704,360.38 × 72,688,662
  4. Step 4: Simplify right side
    134,568,322.92x = 13,498,601,483,588,012
  5. Step 5: Solve for x
    x = 13,498,601,483,588,012/134,568,322.92
  6. Step 6: Final answer
    x = 100,310,393.94

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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.