Home / 146,572,215.60-220,075,273.80-82,004,977.20

Finding the Fourth Proportional to 146,572,215.60, 220,075,273.80 and 82,004,977.20

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Solution

The fourth proportional to 146,572,215.60, 220,075,273.80 and 82,004,977.20 is: 123,128,846.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,572,215.60 : 220,075,273.80 = 82,004,977.20 : x
  2. Step 2: Convert to fraction form
    146,572,215.60/220,075,273.80 = 82,004,977.20/x
  3. Step 3: Cross multiply
    146,572,215.60x = 220,075,273.80 × 82,004,977.20
  4. Step 4: Simplify right side
    146,572,215.60x = 18,047,267,810,252,760
  5. Step 5: Solve for x
    x = 18,047,267,810,252,760/146,572,215.60
  6. Step 6: Final answer
    x = 123,128,846.33

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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.