Home / 55,297,686.40-82,946,529.60-19,399,523.20

Finding the Fourth Proportional to 55,297,686.40, 82,946,529.60 and 19,399,523.20

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Solution

The fourth proportional to 55,297,686.40, 82,946,529.60 and 19,399,523.20 is: 29,099,284.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,297,686.40 : 82,946,529.60 = 19,399,523.20 : x
  2. Step 2: Convert to fraction form
    55,297,686.40/82,946,529.60 = 19,399,523.20/x
  3. Step 3: Cross multiply
    55,297,686.40x = 82,946,529.60 × 19,399,523.20
  4. Step 4: Simplify right side
    55,297,686.40x = 1,609,123,125,334,686.50
  5. Step 5: Solve for x
    x = 1,609,123,125,334,686.50/55,297,686.40
  6. Step 6: Final answer
    x = 29,099,284.80

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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.