Home / 134,568,358.75-185,704,409.80-72,688,697.92

Finding the Fourth Proportional to 134,568,358.75, 185,704,409.80 and 72,688,697.92

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Solution

The fourth proportional to 134,568,358.75, 185,704,409.80 and 72,688,697.92 is: 100,310,443.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,568,358.75 : 185,704,409.80 = 72,688,697.92 : x
  2. Step 2: Convert to fraction form
    134,568,358.75/185,704,409.80 = 72,688,697.92/x
  3. Step 3: Cross multiply
    134,568,358.75x = 185,704,409.80 × 72,688,697.92
  4. Step 4: Simplify right side
    134,568,358.75x = 13,498,611,746,364,088
  5. Step 5: Solve for x
    x = 13,498,611,746,364,088/134,568,358.75
  6. Step 6: Final answer
    x = 100,310,443.49

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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.