Home / 92,687,511.80-139,056,150.90-82,659,582.20

Finding the Fourth Proportional to 92,687,511.80, 139,056,150.90 and 82,659,582.20

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Solution

The fourth proportional to 92,687,511.80, 139,056,150.90 and 82,659,582.20 is: 124,011,564.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,687,511.80 : 139,056,150.90 = 82,659,582.20 : x
  2. Step 2: Convert to fraction form
    92,687,511.80/139,056,150.90 = 82,659,582.20/x
  3. Step 3: Cross multiply
    92,687,511.80x = 139,056,150.90 × 82,659,582.20
  4. Step 4: Simplify right side
    92,687,511.80x = 11,494,323,335,734,154
  5. Step 5: Solve for x
    x = 11,494,323,335,734,154/92,687,511.80
  6. Step 6: Final answer
    x = 124,011,564.37

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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.