Home / 68,004,628.68-93,846,422.37-38,636,012.58

Finding the Fourth Proportional to 68,004,628.68, 93,846,422.37 and 38,636,012.58

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Solution

The fourth proportional to 68,004,628.68, 93,846,422.37 and 38,636,012.58 is: 53,317,717.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,004,628.68 : 93,846,422.37 = 38,636,012.58 : x
  2. Step 2: Convert to fraction form
    68,004,628.68/93,846,422.37 = 38,636,012.58/x
  3. Step 3: Cross multiply
    68,004,628.68x = 93,846,422.37 × 38,636,012.58
  4. Step 4: Simplify right side
    68,004,628.68x = 3,625,851,555,068,274.50
  5. Step 5: Solve for x
    x = 3,625,851,555,068,274.50/68,004,628.68
  6. Step 6: Final answer
    x = 53,317,717.12

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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.