Home / 118,586,039.80-163,647,037.92-65,657,676.28

Finding the Fourth Proportional to 118,586,039.80, 163,647,037.92 and 65,657,676.28

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Solution

The fourth proportional to 118,586,039.80, 163,647,037.92 and 65,657,676.28 is: 90,606,653.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,586,039.80 : 163,647,037.92 = 65,657,676.28 : x
  2. Step 2: Convert to fraction form
    118,586,039.80/163,647,037.92 = 65,657,676.28/x
  3. Step 3: Cross multiply
    118,586,039.80x = 163,647,037.92 × 65,657,676.28
  4. Step 4: Simplify right side
    118,586,039.80x = 10,744,684,239,932,244
  5. Step 5: Solve for x
    x = 10,744,684,239,932,244/118,586,039.80
  6. Step 6: Final answer
    x = 90,606,653.68

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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.