Home / 260,759,829.60-391,192,232.40-76,526,949.60

Finding the Fourth Proportional to 260,759,829.60, 391,192,232.40 and 76,526,949.60

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Solution

The fourth proportional to 260,759,829.60, 391,192,232.40 and 76,526,949.60 is: 114,805,828.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,759,829.60 : 391,192,232.40 = 76,526,949.60 : x
  2. Step 2: Convert to fraction form
    260,759,829.60/391,192,232.40 = 76,526,949.60/x
  3. Step 3: Cross multiply
    260,759,829.60x = 391,192,232.40 × 76,526,949.60
  4. Step 4: Simplify right side
    260,759,829.60x = 29,936,748,252,786,284
  5. Step 5: Solve for x
    x = 29,936,748,252,786,284/260,759,829.60
  6. Step 6: Final answer
    x = 114,805,828.41

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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.