Home / 30,518,901,108.64-45,780,530,903.57-8,134,532,202.43

Finding the Fourth Proportional to 30,518,901,108.64, 45,780,530,903.57 and 8,134,532,202.43

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Solution

The fourth proportional to 30,518,901,108.64, 45,780,530,903.57 and 8,134,532,202.43 is: 12,202,379,160.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,518,901,108.64 : 45,780,530,903.57 = 8,134,532,202.43 : x
  2. Step 2: Convert to fraction form
    30,518,901,108.64/45,780,530,903.57 = 8,134,532,202.43/x
  3. Step 3: Cross multiply
    30,518,901,108.64x = 45,780,530,903.57 × 8,134,532,202.43
  4. Step 4: Simplify right side
    30,518,901,108.64x = 372,403,202,879,431,966,720
  5. Step 5: Solve for x
    x = 372,403,202,879,431,966,720/30,518,901,108.64
  6. Step 6: Final answer
    x = 12,202,379,160.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.