Home / 82,824,249.30-114,406,630.55-61,879,880.65

Finding the Fourth Proportional to 82,824,249.30, 114,406,630.55 and 61,879,880.65

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Solution

The fourth proportional to 82,824,249.30, 114,406,630.55 and 61,879,880.65 is: 85,475,796.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,824,249.30 : 114,406,630.55 = 61,879,880.65 : x
  2. Step 2: Convert to fraction form
    82,824,249.30/114,406,630.55 = 61,879,880.65/x
  3. Step 3: Cross multiply
    82,824,249.30x = 114,406,630.55 × 61,879,880.65
  4. Step 4: Simplify right side
    82,824,249.30x = 7,079,468,643,121,212
  5. Step 5: Solve for x
    x = 7,079,468,643,121,212/82,824,249.30
  6. Step 6: Final answer
    x = 85,475,796.07

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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.