Home / 147,313,058.17-203,287,571.63-81,233,523.85

Finding the Fourth Proportional to 147,313,058.17, 203,287,571.63 and 81,233,523.85

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Solution

The fourth proportional to 147,313,058.17, 203,287,571.63 and 81,233,523.85 is: 112,099,809.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,313,058.17 : 203,287,571.63 = 81,233,523.85 : x
  2. Step 2: Convert to fraction form
    147,313,058.17/203,287,571.63 = 81,233,523.85/x
  3. Step 3: Cross multiply
    147,313,058.17x = 203,287,571.63 × 81,233,523.85
  4. Step 4: Simplify right side
    147,313,058.17x = 16,513,765,798,008,020
  5. Step 5: Solve for x
    x = 16,513,765,798,008,020/147,313,058.17
  6. Step 6: Final answer
    x = 112,099,809.77

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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.