Home / 68,031,810.45-93,881,194.26-40,163,497.56

Finding the Fourth Proportional to 68,031,810.45, 93,881,194.26 and 40,163,497.56

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Solution

The fourth proportional to 68,031,810.45, 93,881,194.26 and 40,163,497.56 is: 55,424,030.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,031,810.45 : 93,881,194.26 = 40,163,497.56 : x
  2. Step 2: Convert to fraction form
    68,031,810.45/93,881,194.26 = 40,163,497.56/x
  3. Step 3: Cross multiply
    68,031,810.45x = 93,881,194.26 × 40,163,497.56
  4. Step 4: Simplify right side
    68,031,810.45x = 3,770,597,116,591,396.50
  5. Step 5: Solve for x
    x = 3,770,597,116,591,396.50/68,031,810.45
  6. Step 6: Final answer
    x = 55,424,030.19

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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.