Home / 219,274,283.71-328,911,986.29-55,512,057.78

Finding the Fourth Proportional to 219,274,283.71, 328,911,986.29 and 55,512,057.78

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Solution

The fourth proportional to 219,274,283.71, 328,911,986.29 and 55,512,057.78 is: 83,268,228.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,274,283.71 : 328,911,986.29 = 55,512,057.78 : x
  2. Step 2: Convert to fraction form
    219,274,283.71/328,911,986.29 = 55,512,057.78/x
  3. Step 3: Cross multiply
    219,274,283.71x = 328,911,986.29 × 55,512,057.78
  4. Step 4: Simplify right side
    219,274,283.71x = 18,258,581,187,465,048
  5. Step 5: Solve for x
    x = 18,258,581,187,465,048/219,274,283.71
  6. Step 6: Final answer
    x = 83,268,228.62

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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.