Home / 146,646,581.40-219,969,872.10-131,341,080.60

Finding the Fourth Proportional to 146,646,581.40, 219,969,872.10 and 131,341,080.60

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Solution

The fourth proportional to 146,646,581.40, 219,969,872.10 and 131,341,080.60 is: 197,011,620.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,646,581.40 : 219,969,872.10 = 131,341,080.60 : x
  2. Step 2: Convert to fraction form
    146,646,581.40/219,969,872.10 = 131,341,080.60/x
  3. Step 3: Cross multiply
    146,646,581.40x = 219,969,872.10 × 131,341,080.60
  4. Step 4: Simplify right side
    146,646,581.40x = 28,891,080,701,057,788
  5. Step 5: Solve for x
    x = 28,891,080,701,057,788/146,646,581.40
  6. Step 6: Final answer
    x = 197,011,620.90

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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.