Home / 143,672,220.80-215,536,324.80-57,395,945.60

Finding the Fourth Proportional to 143,672,220.80, 215,536,324.80 and 57,395,945.60

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Solution

The fourth proportional to 143,672,220.80, 215,536,324.80 and 57,395,945.60 is: 86,105,101.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,672,220.80 : 215,536,324.80 = 57,395,945.60 : x
  2. Step 2: Convert to fraction form
    143,672,220.80/215,536,324.80 = 57,395,945.60/x
  3. Step 3: Cross multiply
    143,672,220.80x = 215,536,324.80 × 57,395,945.60
  4. Step 4: Simplify right side
    143,672,220.80x = 12,370,911,173,044,732
  5. Step 5: Solve for x
    x = 12,370,911,173,044,732/143,672,220.80
  6. Step 6: Final answer
    x = 86,105,101.63

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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.