Home / 145,448,158.50-218,131,871.19-40,379,364.09

Finding the Fourth Proportional to 145,448,158.50, 218,131,871.19 and 40,379,364.09

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Solution

The fourth proportional to 145,448,158.50, 218,131,871.19 and 40,379,364.09 is: 60,557,839.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,448,158.50 : 218,131,871.19 = 40,379,364.09 : x
  2. Step 2: Convert to fraction form
    145,448,158.50/218,131,871.19 = 40,379,364.09/x
  3. Step 3: Cross multiply
    145,448,158.50x = 218,131,871.19 × 40,379,364.09
  4. Step 4: Simplify right side
    145,448,158.50x = 8,808,026,246,413,992
  5. Step 5: Solve for x
    x = 8,808,026,246,413,992/145,448,158.50
  6. Step 6: Final answer
    x = 60,557,839.56

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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.