Home / 81,685,175.40-112,722,678.89-44,514,697.18

Finding the Fourth Proportional to 81,685,175.40, 112,722,678.89 and 44,514,697.18

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Solution

The fourth proportional to 81,685,175.40, 112,722,678.89 and 44,514,697.18 is: 61,428,721.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,685,175.40 : 112,722,678.89 = 44,514,697.18 : x
  2. Step 2: Convert to fraction form
    81,685,175.40/112,722,678.89 = 44,514,697.18/x
  3. Step 3: Cross multiply
    81,685,175.40x = 112,722,678.89 × 44,514,697.18
  4. Step 4: Simplify right side
    81,685,175.40x = 5,017,815,916,055,505
  5. Step 5: Solve for x
    x = 5,017,815,916,055,505/81,685,175.40
  6. Step 6: Final answer
    x = 61,428,721.82

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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.