Home / 123,299,838.87-170,153,982.78-67,544,043.74

Finding the Fourth Proportional to 123,299,838.87, 170,153,982.78 and 67,544,043.74

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Solution

The fourth proportional to 123,299,838.87, 170,153,982.78 and 67,544,043.74 is: 93,210,892.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,299,838.87 : 170,153,982.78 = 67,544,043.74 : x
  2. Step 2: Convert to fraction form
    123,299,838.87/170,153,982.78 = 67,544,043.74/x
  3. Step 3: Cross multiply
    123,299,838.87x = 170,153,982.78 × 67,544,043.74
  4. Step 4: Simplify right side
    123,299,838.87x = 11,492,888,054,576,756
  5. Step 5: Solve for x
    x = 11,492,888,054,576,756/123,299,838.87
  6. Step 6: Final answer
    x = 93,210,892.73

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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.