Home / 117,288,065.20-176,016,078.60-49,179,636.40

Finding the Fourth Proportional to 117,288,065.20, 176,016,078.60 and 49,179,636.40

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Solution

The fourth proportional to 117,288,065.20, 176,016,078.60 and 49,179,636.40 is: 73,804,668.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,288,065.20 : 176,016,078.60 = 49,179,636.40 : x
  2. Step 2: Convert to fraction form
    117,288,065.20/176,016,078.60 = 49,179,636.40/x
  3. Step 3: Cross multiply
    117,288,065.20x = 176,016,078.60 × 49,179,636.40
  4. Step 4: Simplify right side
    117,288,065.20x = 8,656,406,746,101,820
  5. Step 5: Solve for x
    x = 8,656,406,746,101,820/117,288,065.20
  6. Step 6: Final answer
    x = 73,804,668.29

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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.