Home / 132,102,706.40-198,083,200.80-55,339,006.40

Finding the Fourth Proportional to 132,102,706.40, 198,083,200.80 and 55,339,006.40

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Solution

The fourth proportional to 132,102,706.40, 198,083,200.80 and 55,339,006.40 is: 82,978,826.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,102,706.40 : 198,083,200.80 = 55,339,006.40 : x
  2. Step 2: Convert to fraction form
    132,102,706.40/198,083,200.80 = 55,339,006.40/x
  3. Step 3: Cross multiply
    132,102,706.40x = 198,083,200.80 × 55,339,006.40
  4. Step 4: Simplify right side
    132,102,706.40x = 10,961,727,516,803,686
  5. Step 5: Solve for x
    x = 10,961,727,516,803,686/132,102,706.40
  6. Step 6: Final answer
    x = 82,978,826.21

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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.