Home / 82,824,241.30-114,406,619.50-61,879,872.65

Finding the Fourth Proportional to 82,824,241.30, 114,406,619.50 and 61,879,872.65

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Solution

The fourth proportional to 82,824,241.30, 114,406,619.50 and 61,879,872.65 is: 85,475,785.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,824,241.30 : 114,406,619.50 = 61,879,872.65 : x
  2. Step 2: Convert to fraction form
    82,824,241.30/114,406,619.50 = 61,879,872.65/x
  3. Step 3: Cross multiply
    82,824,241.30x = 114,406,619.50 × 61,879,872.65
  4. Step 4: Simplify right side
    82,824,241.30x = 7,079,467,044,482,324
  5. Step 5: Solve for x
    x = 7,079,467,044,482,324/82,824,241.30
  6. Step 6: Final answer
    x = 85,475,785.03

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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.