Home / 130,982,775.88-196,431,649.62-43,520,804.32

Finding the Fourth Proportional to 130,982,775.88, 196,431,649.62 and 43,520,804.32

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Solution

The fourth proportional to 130,982,775.88, 196,431,649.62 and 43,520,804.32 is: 65,267,080.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,982,775.88 : 196,431,649.62 = 43,520,804.32 : x
  2. Step 2: Convert to fraction form
    130,982,775.88/196,431,649.62 = 43,520,804.32/x
  3. Step 3: Cross multiply
    130,982,775.88x = 196,431,649.62 × 43,520,804.32
  4. Step 4: Simplify right side
    130,982,775.88x = 8,548,863,385,366,823
  5. Step 5: Solve for x
    x = 8,548,863,385,366,823/130,982,775.88
  6. Step 6: Final answer
    x = 65,267,080.56

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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.