Home / 186,324,697.28-257,117,589.60-102,692,574.48

Finding the Fourth Proportional to 186,324,697.28, 257,117,589.60 and 102,692,574.48

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Solution

The fourth proportional to 186,324,697.28, 257,117,589.60 and 102,692,574.48 is: 141,709,969.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,324,697.28 : 257,117,589.60 = 102,692,574.48 : x
  2. Step 2: Convert to fraction form
    186,324,697.28/257,117,589.60 = 102,692,574.48/x
  3. Step 3: Cross multiply
    186,324,697.28x = 257,117,589.60 × 102,692,574.48
  4. Step 4: Simplify right side
    186,324,697.28x = 26,404,067,220,116,072
  5. Step 5: Solve for x
    x = 26,404,067,220,116,072/186,324,697.28
  6. Step 6: Final answer
    x = 141,709,969.78

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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.