Home / 130,392,180.54-179,866,280.07-81,414,577.98

Finding the Fourth Proportional to 130,392,180.54, 179,866,280.07 and 81,414,577.98

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Solution

The fourth proportional to 130,392,180.54, 179,866,280.07 and 81,414,577.98 is: 112,305,333.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,392,180.54 : 179,866,280.07 = 81,414,577.98 : x
  2. Step 2: Convert to fraction form
    130,392,180.54/179,866,280.07 = 81,414,577.98/x
  3. Step 3: Cross multiply
    130,392,180.54x = 179,866,280.07 × 81,414,577.98
  4. Step 4: Simplify right side
    130,392,180.54x = 14,643,737,284,731,536
  5. Step 5: Solve for x
    x = 14,643,737,284,731,536/130,392,180.54
  6. Step 6: Final answer
    x = 112,305,333.22

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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.