Home / 81,685,176.90-112,722,680.96-44,514,698.69

Finding the Fourth Proportional to 81,685,176.90, 112,722,680.96 and 44,514,698.69

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Solution

The fourth proportional to 81,685,176.90, 112,722,680.96 and 44,514,698.69 is: 61,428,723.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,685,176.90 : 112,722,680.96 = 44,514,698.69 : x
  2. Step 2: Convert to fraction form
    81,685,176.90/112,722,680.96 = 44,514,698.69/x
  3. Step 3: Cross multiply
    81,685,176.90x = 112,722,680.96 × 44,514,698.69
  4. Step 4: Simplify right side
    81,685,176.90x = 5,017,816,177,677,213
  5. Step 5: Solve for x
    x = 5,017,816,177,677,213/81,685,176.90
  6. Step 6: Final answer
    x = 61,428,723.89

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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.