Home / 77,682,657.17-107,242,418.77-56,751,189.10

Finding the Fourth Proportional to 77,682,657.17, 107,242,418.77 and 56,751,189.10

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Solution

The fourth proportional to 77,682,657.17, 107,242,418.77 and 56,751,189.10 is: 78,346,120.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,682,657.17 : 107,242,418.77 = 56,751,189.10 : x
  2. Step 2: Convert to fraction form
    77,682,657.17/107,242,418.77 = 56,751,189.10/x
  3. Step 3: Cross multiply
    77,682,657.17x = 107,242,418.77 × 56,751,189.10
  4. Step 4: Simplify right side
    77,682,657.17x = 6,086,134,786,747,675
  5. Step 5: Solve for x
    x = 6,086,134,786,747,675/77,682,657.17
  6. Step 6: Final answer
    x = 78,346,120.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.