Home / 89,827,067.80-134,488,659.30-87,307,643.80

Finding the Fourth Proportional to 89,827,067.80, 134,488,659.30 and 87,307,643.80

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Solution

The fourth proportional to 89,827,067.80, 134,488,659.30 and 87,307,643.80 is: 130,716,589.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,827,067.80 : 134,488,659.30 = 87,307,643.80 : x
  2. Step 2: Convert to fraction form
    89,827,067.80/134,488,659.30 = 87,307,643.80/x
  3. Step 3: Cross multiply
    89,827,067.80x = 134,488,659.30 × 87,307,643.80
  4. Step 4: Simplify right side
    89,827,067.80x = 11,741,887,961,303,958
  5. Step 5: Solve for x
    x = 11,741,887,961,303,958/89,827,067.80
  6. Step 6: Final answer
    x = 130,716,589.65

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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.