Home / 55,297,720.40-82,946,580.60-19,399,557.20

Finding the Fourth Proportional to 55,297,720.40, 82,946,580.60 and 19,399,557.20

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Solution

The fourth proportional to 55,297,720.40, 82,946,580.60 and 19,399,557.20 is: 29,099,335.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,297,720.40 : 82,946,580.60 = 19,399,557.20 : x
  2. Step 2: Convert to fraction form
    55,297,720.40/82,946,580.60 = 19,399,557.20/x
  3. Step 3: Cross multiply
    55,297,720.40x = 82,946,580.60 × 19,399,557.20
  4. Step 4: Simplify right side
    55,297,720.40x = 1,609,126,934,894,110.25
  5. Step 5: Solve for x
    x = 1,609,126,934,894,110.25/55,297,720.40
  6. Step 6: Final answer
    x = 29,099,335.80

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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.