Home / 137,030,694,142.70-205,545,212,166.10-74,543,117,345.30

Finding the Fourth Proportional to 137,030,694,142.70, 205,545,212,166.10 and 74,543,117,345.30

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Solution

The fourth proportional to 137,030,694,142.70, 205,545,212,166.10 and 74,543,117,345.30 is: 111,814,225,025.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,030,694,142.70 : 205,545,212,166.10 = 74,543,117,345.30 : x
  2. Step 2: Convert to fraction form
    137,030,694,142.70/205,545,212,166.10 = 74,543,117,345.30/x
  3. Step 3: Cross multiply
    137,030,694,142.70x = 205,545,212,166.10 × 74,543,117,345.30
  4. Step 4: Simplify right side
    137,030,694,142.70x = 15,321,980,870,262,177,923,072
  5. Step 5: Solve for x
    x = 15,321,980,870,262,177,923,072/137,030,694,142.70
  6. Step 6: Final answer
    x = 111,814,225,025.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.