Home / 134,568,240.49-185,704,246.52-72,688,579.39

Finding the Fourth Proportional to 134,568,240.49, 185,704,246.52 and 72,688,579.39

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Solution

The fourth proportional to 134,568,240.49, 185,704,246.52 and 72,688,579.39 is: 100,310,279.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,568,240.49 : 185,704,246.52 = 72,688,579.39 : x
  2. Step 2: Convert to fraction form
    134,568,240.49/185,704,246.52 = 72,688,579.39/x
  3. Step 3: Cross multiply
    134,568,240.49x = 185,704,246.52 × 72,688,579.39
  4. Step 4: Simplify right side
    134,568,240.49x = 13,498,577,866,229,152
  5. Step 5: Solve for x
    x = 13,498,577,866,229,152/134,568,240.49
  6. Step 6: Final answer
    x = 100,310,279.88

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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.