Home / 130,392,179.04-179,866,278-81,414,576.48

Finding the Fourth Proportional to 130,392,179.04, 179,866,278 and 81,414,576.48

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Solution

The fourth proportional to 130,392,179.04, 179,866,278 and 81,414,576.48 is: 112,305,331.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,392,179.04 : 179,866,278 = 81,414,576.48 : x
  2. Step 2: Convert to fraction form
    130,392,179.04/179,866,278 = 81,414,576.48/x
  3. Step 3: Cross multiply
    130,392,179.04x = 179,866,278 × 81,414,576.48
  4. Step 4: Simplify right side
    130,392,179.04x = 14,643,736,846,403,942
  5. Step 5: Solve for x
    x = 14,643,736,846,403,942/130,392,179.04
  6. Step 6: Final answer
    x = 112,305,331.15

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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.