Home / 262,213,283.28-393,435,956.16-137,686,619.28

Finding the Fourth Proportional to 262,213,283.28, 393,435,956.16 and 137,686,619.28

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Solution

The fourth proportional to 262,213,283.28, 393,435,956.16 and 137,686,619.28 is: 206,590,856.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,213,283.28 : 393,435,956.16 = 137,686,619.28 : x
  2. Step 2: Convert to fraction form
    262,213,283.28/393,435,956.16 = 137,686,619.28/x
  3. Step 3: Cross multiply
    262,213,283.28x = 393,435,956.16 × 137,686,619.28
  4. Step 4: Simplify right side
    262,213,283.28x = 54,170,866,706,864,696
  5. Step 5: Solve for x
    x = 54,170,866,706,864,696/262,213,283.28
  6. Step 6: Final answer
    x = 206,590,856.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.