Home / 55,496,617,311.36-76,583,281,146.20-30,121,543,833.12

Finding the Fourth Proportional to 55,496,617,311.36, 76,583,281,146.20 and 30,121,543,833.12

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Solution

The fourth proportional to 55,496,617,311.36, 76,583,281,146.20 and 30,121,543,833.12 is: 41,566,617,420.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,496,617,311.36 : 76,583,281,146.20 = 30,121,543,833.12 : x
  2. Step 2: Convert to fraction form
    55,496,617,311.36/76,583,281,146.20 = 30,121,543,833.12/x
  3. Step 3: Cross multiply
    55,496,617,311.36x = 76,583,281,146.20 × 30,121,543,833.12
  4. Step 4: Simplify right side
    55,496,617,311.36x = 2,306,806,659,929,415,614,464
  5. Step 5: Solve for x
    x = 2,306,806,659,929,415,614,464/55,496,617,311.36
  6. Step 6: Final answer
    x = 41,566,617,420.79

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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.