Home / 74,450,998.70-111,456,048.45-55,366,361.90

Finding the Fourth Proportional to 74,450,998.70, 111,456,048.45 and 55,366,361.90

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Solution

The fourth proportional to 74,450,998.70, 111,456,048.45 and 55,366,361.90 is: 82,885,602.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,450,998.70 : 111,456,048.45 = 55,366,361.90 : x
  2. Step 2: Convert to fraction form
    74,450,998.70/111,456,048.45 = 55,366,361.90/x
  3. Step 3: Cross multiply
    74,450,998.70x = 111,456,048.45 × 55,366,361.90
  4. Step 4: Simplify right side
    74,450,998.70x = 6,170,915,914,426,634
  5. Step 5: Solve for x
    x = 6,170,915,914,426,634/74,450,998.70
  6. Step 6: Final answer
    x = 82,885,602.91

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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.