Home / 186,111,694.28-256,836,038.74-102,487,601.28

Finding the Fourth Proportional to 186,111,694.28, 256,836,038.74 and 102,487,601.28

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Solution

The fourth proportional to 186,111,694.28, 256,836,038.74 and 102,487,601.28 is: 141,433,936.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,111,694.28 : 256,836,038.74 = 102,487,601.28 : x
  2. Step 2: Convert to fraction form
    186,111,694.28/256,836,038.74 = 102,487,601.28/x
  3. Step 3: Cross multiply
    186,111,694.28x = 256,836,038.74 × 102,487,601.28
  4. Step 4: Simplify right side
    186,111,694.28x = 26,322,509,532,719,756
  5. Step 5: Solve for x
    x = 26,322,509,532,719,756/186,111,694.28
  6. Step 6: Final answer
    x = 141,433,936.40

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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.