Home / 325,619,782.20-488,287,955.70-107,185,721.40

Finding the Fourth Proportional to 325,619,782.20, 488,287,955.70 and 107,185,721.40

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Solution

The fourth proportional to 325,619,782.20, 488,287,955.70 and 107,185,721.40 is: 160,731,932.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,619,782.20 : 488,287,955.70 = 107,185,721.40 : x
  2. Step 2: Convert to fraction form
    325,619,782.20/488,287,955.70 = 107,185,721.40/x
  3. Step 3: Cross multiply
    325,619,782.20x = 488,287,955.70 × 107,185,721.40
  4. Step 4: Simplify right side
    325,619,782.20x = 52,337,496,782,635,744
  5. Step 5: Solve for x
    x = 52,337,496,782,635,744/325,619,782.20
  6. Step 6: Final answer
    x = 160,731,932.28

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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.