Home / 57,276,189.36-79,041,346.02-31,171,020.12

Finding the Fourth Proportional to 57,276,189.36, 79,041,346.02 and 31,171,020.12

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Solution

The fourth proportional to 57,276,189.36, 79,041,346.02 and 31,171,020.12 is: 43,016,119.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,276,189.36 : 79,041,346.02 = 31,171,020.12 : x
  2. Step 2: Convert to fraction form
    57,276,189.36/79,041,346.02 = 31,171,020.12/x
  3. Step 3: Cross multiply
    57,276,189.36x = 79,041,346.02 × 31,171,020.12
  4. Step 4: Simplify right side
    57,276,189.36x = 2,463,799,387,101,302
  5. Step 5: Solve for x
    x = 2,463,799,387,101,302/57,276,189.36
  6. Step 6: Final answer
    x = 43,016,119.17

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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.