Home / 145,448,156.99-218,131,868.94-40,379,362.58

Finding the Fourth Proportional to 145,448,156.99, 218,131,868.94 and 40,379,362.58

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Solution

The fourth proportional to 145,448,156.99, 218,131,868.94 and 40,379,362.58 is: 60,557,837.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,448,156.99 : 218,131,868.94 = 40,379,362.58 : x
  2. Step 2: Convert to fraction form
    145,448,156.99/218,131,868.94 = 40,379,362.58/x
  3. Step 3: Cross multiply
    145,448,156.99x = 218,131,868.94 × 40,379,362.58
  4. Step 4: Simplify right side
    145,448,156.99x = 8,808,025,826,575,208
  5. Step 5: Solve for x
    x = 8,808,025,826,575,208/145,448,156.99
  6. Step 6: Final answer
    x = 60,557,837.30

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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.