Home / 81,858,059.58-112,963,429.36-45,187,843.26

Finding the Fourth Proportional to 81,858,059.58, 112,963,429.36 and 45,187,843.26

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Solution

The fourth proportional to 81,858,059.58, 112,963,429.36 and 45,187,843.26 is: 62,358,841.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,858,059.58 : 112,963,429.36 = 45,187,843.26 : x
  2. Step 2: Convert to fraction form
    81,858,059.58/112,963,429.36 = 45,187,843.26/x
  3. Step 3: Cross multiply
    81,858,059.58x = 112,963,429.36 × 45,187,843.26
  4. Step 4: Simplify right side
    81,858,059.58x = 5,104,573,740,031,762
  5. Step 5: Solve for x
    x = 5,104,573,740,031,762/81,858,059.58
  6. Step 6: Final answer
    x = 62,358,841.22

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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.