Home / 80,496,183.60-111,153,777.66-77,893,202.16

Finding the Fourth Proportional to 80,496,183.60, 111,153,777.66 and 77,893,202.16

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Solution

The fourth proportional to 80,496,183.60, 111,153,777.66 and 77,893,202.16 is: 107,559,430.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,496,183.60 : 111,153,777.66 = 77,893,202.16 : x
  2. Step 2: Convert to fraction form
    80,496,183.60/111,153,777.66 = 77,893,202.16/x
  3. Step 3: Cross multiply
    80,496,183.60x = 111,153,777.66 × 77,893,202.16
  4. Step 4: Simplify right side
    80,496,183.60x = 8,658,123,674,118,071
  5. Step 5: Solve for x
    x = 8,658,123,674,118,071/80,496,183.60
  6. Step 6: Final answer
    x = 107,559,430.61

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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.