Home / 140,133,358.89-193,345,203.60-80,591,409.09

Finding the Fourth Proportional to 140,133,358.89, 193,345,203.60 and 80,591,409.09

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Solution

The fourth proportional to 140,133,358.89, 193,345,203.60 and 80,591,409.09 is: 111,193,812.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,133,358.89 : 193,345,203.60 = 80,591,409.09 : x
  2. Step 2: Convert to fraction form
    140,133,358.89/193,345,203.60 = 80,591,409.09/x
  3. Step 3: Cross multiply
    140,133,358.89x = 193,345,203.60 × 80,591,409.09
  4. Step 4: Simplify right side
    140,133,358.89x = 15,581,962,398,916,940
  5. Step 5: Solve for x
    x = 15,581,962,398,916,940/140,133,358.89
  6. Step 6: Final answer
    x = 111,193,812.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.