Home / 209,485,073.14-289,098,369.21-116,665,580.86

Finding the Fourth Proportional to 209,485,073.14, 289,098,369.21 and 116,665,580.86

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Solution

The fourth proportional to 209,485,073.14, 289,098,369.21 and 116,665,580.86 is: 161,003,496.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,485,073.14 : 289,098,369.21 = 116,665,580.86 : x
  2. Step 2: Convert to fraction form
    209,485,073.14/289,098,369.21 = 116,665,580.86/x
  3. Step 3: Cross multiply
    209,485,073.14x = 289,098,369.21 × 116,665,580.86
  4. Step 4: Simplify right side
    209,485,073.14x = 33,727,829,169,563,388
  5. Step 5: Solve for x
    x = 33,727,829,169,563,388/209,485,073.14
  6. Step 6: Final answer
    x = 161,003,496.16

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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.