Home / 92,777,993.92-128,036,560.44-55,596,019.60

Finding the Fourth Proportional to 92,777,993.92, 128,036,560.44 and 55,596,019.60

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Solution

The fourth proportional to 92,777,993.92, 128,036,560.44 and 55,596,019.60 is: 76,724,262.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,777,993.92 : 128,036,560.44 = 55,596,019.60 : x
  2. Step 2: Convert to fraction form
    92,777,993.92/128,036,560.44 = 55,596,019.60/x
  3. Step 3: Cross multiply
    92,777,993.92x = 128,036,560.44 × 55,596,019.60
  4. Step 4: Simplify right side
    92,777,993.92x = 7,118,323,123,738,825
  5. Step 5: Solve for x
    x = 7,118,323,123,738,825/92,777,993.92
  6. Step 6: Final answer
    x = 76,724,262.11

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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.