Home / 106,858,390.40-160,287,585.60-72,846,166.40

Finding the Fourth Proportional to 106,858,390.40, 160,287,585.60 and 72,846,166.40

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Solution

The fourth proportional to 106,858,390.40, 160,287,585.60 and 72,846,166.40 is: 109,269,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,858,390.40 : 160,287,585.60 = 72,846,166.40 : x
  2. Step 2: Convert to fraction form
    106,858,390.40/160,287,585.60 = 72,846,166.40/x
  3. Step 3: Cross multiply
    106,858,390.40x = 160,287,585.60 × 72,846,166.40
  4. Step 4: Simplify right side
    106,858,390.40x = 11,676,336,132,471,844
  5. Step 5: Solve for x
    x = 11,676,336,132,471,844/106,858,390.40
  6. Step 6: Final answer
    x = 109,269,249.60

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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.