Home / 143,496,092.49-198,030,878.60-80,776,237.59

Finding the Fourth Proportional to 143,496,092.49, 198,030,878.60 and 80,776,237.59

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Solution

The fourth proportional to 143,496,092.49, 198,030,878.60 and 80,776,237.59 is: 111,474,737.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,496,092.49 : 198,030,878.60 = 80,776,237.59 : x
  2. Step 2: Convert to fraction form
    143,496,092.49/198,030,878.60 = 80,776,237.59/x
  3. Step 3: Cross multiply
    143,496,092.49x = 198,030,878.60 × 80,776,237.59
  4. Step 4: Simplify right side
    143,496,092.49x = 15,996,189,299,950,046
  5. Step 5: Solve for x
    x = 15,996,189,299,950,046/143,496,092.49
  6. Step 6: Final answer
    x = 111,474,737.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.