Home / 93,009,616.40-139,183,750.20-81,010,859.60

Finding the Fourth Proportional to 93,009,616.40, 139,183,750.20 and 81,010,859.60

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Solution

The fourth proportional to 93,009,616.40, 139,183,750.20 and 81,010,859.60 is: 121,228,273.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,009,616.40 : 139,183,750.20 = 81,010,859.60 : x
  2. Step 2: Convert to fraction form
    93,009,616.40/139,183,750.20 = 81,010,859.60/x
  3. Step 3: Cross multiply
    93,009,616.40x = 139,183,750.20 × 81,010,859.60
  4. Step 4: Simplify right side
    93,009,616.40x = 11,275,395,246,053,670
  5. Step 5: Solve for x
    x = 11,275,395,246,053,670/93,009,616.40
  6. Step 6: Final answer
    x = 121,228,273.83

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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.