Home / 76,128,247.36-105,057,087.68-41,320,945.12

Finding the Fourth Proportional to 76,128,247.36, 105,057,087.68 and 41,320,945.12

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Solution

The fourth proportional to 76,128,247.36, 105,057,087.68 and 41,320,945.12 is: 57,022,961.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,128,247.36 : 105,057,087.68 = 41,320,945.12 : x
  2. Step 2: Convert to fraction form
    76,128,247.36/105,057,087.68 = 41,320,945.12/x
  3. Step 3: Cross multiply
    76,128,247.36x = 105,057,087.68 × 41,320,945.12
  4. Step 4: Simplify right side
    76,128,247.36x = 4,341,058,154,492,308
  5. Step 5: Solve for x
    x = 4,341,058,154,492,308/76,128,247.36
  6. Step 6: Final answer
    x = 57,022,961.98

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