Home / 179,789,078.60-269,683,617.90-77,752,406.60

Finding the Fourth Proportional to 179,789,078.60, 269,683,617.90 and 77,752,406.60

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Solution

The fourth proportional to 179,789,078.60, 269,683,617.90 and 77,752,406.60 is: 116,628,609.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,789,078.60 : 269,683,617.90 = 77,752,406.60 : x
  2. Step 2: Convert to fraction form
    179,789,078.60/269,683,617.90 = 77,752,406.60/x
  3. Step 3: Cross multiply
    179,789,078.60x = 269,683,617.90 × 77,752,406.60
  4. Step 4: Simplify right side
    179,789,078.60x = 20,968,550,312,319,836
  5. Step 5: Solve for x
    x = 20,968,550,312,319,836/179,789,078.60
  6. Step 6: Final answer
    x = 116,628,609.90

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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.