Home / 80,829,658.77-111,544,973.78-43,659,938.83

Finding the Fourth Proportional to 80,829,658.77, 111,544,973.78 and 43,659,938.83

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Solution

The fourth proportional to 80,829,658.77, 111,544,973.78 and 43,659,938.83 is: 60,250,739.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,829,658.77 : 111,544,973.78 = 43,659,938.83 : x
  2. Step 2: Convert to fraction form
    80,829,658.77/111,544,973.78 = 43,659,938.83/x
  3. Step 3: Cross multiply
    80,829,658.77x = 111,544,973.78 × 43,659,938.83
  4. Step 4: Simplify right side
    80,829,658.77x = 4,870,046,731,768,151
  5. Step 5: Solve for x
    x = 4,870,046,731,768,151/80,829,658.77
  6. Step 6: Final answer
    x = 60,250,739.71

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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.