Home / 147,177,319.57-203,095,549.65-81,094,119.75

Finding the Fourth Proportional to 147,177,319.57, 203,095,549.65 and 81,094,119.75

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Solution

The fourth proportional to 147,177,319.57, 203,095,549.65 and 81,094,119.75 is: 111,904,842.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,177,319.57 : 203,095,549.65 = 81,094,119.75 : x
  2. Step 2: Convert to fraction form
    147,177,319.57/203,095,549.65 = 81,094,119.75/x
  3. Step 3: Cross multiply
    147,177,319.57x = 203,095,549.65 × 81,094,119.75
  4. Step 4: Simplify right side
    147,177,319.57x = 16,469,854,824,313,274
  5. Step 5: Solve for x
    x = 16,469,854,824,313,274/147,177,319.57
  6. Step 6: Final answer
    x = 111,904,842.90

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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.