Home / 75,957,686.60-113,936,531.34-18,449,570.28

Finding the Fourth Proportional to 75,957,686.60, 113,936,531.34 and 18,449,570.28

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Solution

The fourth proportional to 75,957,686.60, 113,936,531.34 and 18,449,570.28 is: 27,674,355.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,957,686.60 : 113,936,531.34 = 18,449,570.28 : x
  2. Step 2: Convert to fraction form
    75,957,686.60/113,936,531.34 = 18,449,570.28/x
  3. Step 3: Cross multiply
    75,957,686.60x = 113,936,531.34 × 18,449,570.28
  4. Step 4: Simplify right side
    75,957,686.60x = 2,102,080,042,416,752.75
  5. Step 5: Solve for x
    x = 2,102,080,042,416,752.75/75,957,686.60
  6. Step 6: Final answer
    x = 27,674,355.77

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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.