Home / 43,151,128.20-64,683,146.70-21,552,510.60

Finding the Fourth Proportional to 43,151,128.20, 64,683,146.70 and 21,552,510.60

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Solution

The fourth proportional to 43,151,128.20, 64,683,146.70 and 21,552,510.60 is: 32,307,016.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,151,128.20 : 64,683,146.70 = 21,552,510.60 : x
  2. Step 2: Convert to fraction form
    43,151,128.20/64,683,146.70 = 21,552,510.60/x
  3. Step 3: Cross multiply
    43,151,128.20x = 64,683,146.70 × 21,552,510.60
  4. Step 4: Simplify right side
    43,151,128.20x = 1,394,084,204,893,105.25
  5. Step 5: Solve for x
    x = 1,394,084,204,893,105.25/43,151,128.20
  6. Step 6: Final answer
    x = 32,307,016.36

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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.