Home / 88,014,010.80-132,021,016.20-80,077,825.20

Finding the Fourth Proportional to 88,014,010.80, 132,021,016.20 and 80,077,825.20

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Solution

The fourth proportional to 88,014,010.80, 132,021,016.20 and 80,077,825.20 is: 120,116,737.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,014,010.80 : 132,021,016.20 = 80,077,825.20 : x
  2. Step 2: Convert to fraction form
    88,014,010.80/132,021,016.20 = 80,077,825.20/x
  3. Step 3: Cross multiply
    88,014,010.80x = 132,021,016.20 × 80,077,825.20
  4. Step 4: Simplify right side
    88,014,010.80x = 10,571,955,857,989,968
  5. Step 5: Solve for x
    x = 10,571,955,857,989,968/88,014,010.80
  6. Step 6: Final answer
    x = 120,116,737.80

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1.5x scale

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.