Home / 55,200,816.66-76,177,647.15-30,421,895.69

Finding the Fourth Proportional to 55,200,816.66, 76,177,647.15 and 30,421,895.69

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Solution

The fourth proportional to 55,200,816.66, 76,177,647.15 and 30,421,895.69 is: 41,982,502.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,200,816.66 : 76,177,647.15 = 30,421,895.69 : x
  2. Step 2: Convert to fraction form
    55,200,816.66/76,177,647.15 = 30,421,895.69/x
  3. Step 3: Cross multiply
    55,200,816.66x = 76,177,647.15 × 30,421,895.69
  4. Step 4: Simplify right side
    55,200,816.66x = 2,317,468,435,583,287.50
  5. Step 5: Solve for x
    x = 2,317,468,435,583,287.50/55,200,816.66
  6. Step 6: Final answer
    x = 41,982,502.72

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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.