Home / 88,020,007.80-132,030,011.70-80,083,822.20

Finding the Fourth Proportional to 88,020,007.80, 132,030,011.70 and 80,083,822.20

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Solution

The fourth proportional to 88,020,007.80, 132,030,011.70 and 80,083,822.20 is: 120,125,733.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,020,007.80 : 132,030,011.70 = 80,083,822.20 : x
  2. Step 2: Convert to fraction form
    88,020,007.80/132,030,011.70 = 80,083,822.20/x
  3. Step 3: Cross multiply
    88,020,007.80x = 132,030,011.70 × 80,083,822.20
  4. Step 4: Simplify right side
    88,020,007.80x = 10,573,467,982,046,720
  5. Step 5: Solve for x
    x = 10,573,467,982,046,720/88,020,007.80
  6. Step 6: Final answer
    x = 120,125,733.30

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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.