Home / 504,415,080.89-756,571,535.65-135,987,276.14

Finding the Fourth Proportional to 504,415,080.89, 756,571,535.65 and 135,987,276.14

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Solution

The fourth proportional to 504,415,080.89, 756,571,535.65 and 135,987,276.14 is: 203,967,141.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,415,080.89 : 756,571,535.65 = 135,987,276.14 : x
  2. Step 2: Convert to fraction form
    504,415,080.89/756,571,535.65 = 135,987,276.14/x
  3. Step 3: Cross multiply
    504,415,080.89x = 756,571,535.65 × 135,987,276.14
  4. Step 4: Simplify right side
    504,415,080.89x = 102,884,102,337,760,432
  5. Step 5: Solve for x
    x = 102,884,102,337,760,432/504,415,080.89
  6. Step 6: Final answer
    x = 203,967,141.82

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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.