Home / 112,268,003.80-168,402,005.70-106,032,429.40

Finding the Fourth Proportional to 112,268,003.80, 168,402,005.70 and 106,032,429.40

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Solution

The fourth proportional to 112,268,003.80, 168,402,005.70 and 106,032,429.40 is: 159,048,644.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,268,003.80 : 168,402,005.70 = 106,032,429.40 : x
  2. Step 2: Convert to fraction form
    112,268,003.80/168,402,005.70 = 106,032,429.40/x
  3. Step 3: Cross multiply
    112,268,003.80x = 168,402,005.70 × 106,032,429.40
  4. Step 4: Simplify right side
    112,268,003.80x = 17,856,073,780,203,648
  5. Step 5: Solve for x
    x = 17,856,073,780,203,648/112,268,003.80
  6. Step 6: Final answer
    x = 159,048,644.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.