Home / 55,073,136.96-76,109,928.51-45,134,346.92

Finding the Fourth Proportional to 55,073,136.96, 76,109,928.51 and 45,134,346.92

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Solution

The fourth proportional to 55,073,136.96, 76,109,928.51 and 45,134,346.92 is: 62,374,727.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,073,136.96 : 76,109,928.51 = 45,134,346.92 : x
  2. Step 2: Convert to fraction form
    55,073,136.96/76,109,928.51 = 45,134,346.92/x
  3. Step 3: Cross multiply
    55,073,136.96x = 76,109,928.51 × 45,134,346.92
  4. Step 4: Simplify right side
    55,073,136.96x = 3,435,171,917,046,189
  5. Step 5: Solve for x
    x = 3,435,171,917,046,189/55,073,136.96
  6. Step 6: Final answer
    x = 62,374,727.62

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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.