Home / 90,933,344.96-125,488,066.38-49,117,410.05

Finding the Fourth Proportional to 90,933,344.96, 125,488,066.38 and 49,117,410.05

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Solution

The fourth proportional to 90,933,344.96, 125,488,066.38 and 49,117,410.05 is: 67,782,053.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,933,344.96 : 125,488,066.38 = 49,117,410.05 : x
  2. Step 2: Convert to fraction form
    90,933,344.96/125,488,066.38 = 49,117,410.05/x
  3. Step 3: Cross multiply
    90,933,344.96x = 125,488,066.38 × 49,117,410.05
  4. Step 4: Simplify right side
    90,933,344.96x = 6,163,648,811,956,449
  5. Step 5: Solve for x
    x = 6,163,648,811,956,449/90,933,344.96
  6. Step 6: Final answer
    x = 67,782,053.05

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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.