Home / 143,496,087.03-198,030,871.08-80,776,232.15

Finding the Fourth Proportional to 143,496,087.03, 198,030,871.08 and 80,776,232.15

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Solution

The fourth proportional to 143,496,087.03, 198,030,871.08 and 80,776,232.15 is: 111,474,730.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,496,087.03 : 198,030,871.08 = 80,776,232.15 : x
  2. Step 2: Convert to fraction form
    143,496,087.03/198,030,871.08 = 80,776,232.15/x
  3. Step 3: Cross multiply
    143,496,087.03x = 198,030,871.08 × 80,776,232.15
  4. Step 4: Simplify right side
    143,496,087.03x = 15,996,187,614,234,648
  5. Step 5: Solve for x
    x = 15,996,187,614,234,648/143,496,087.03
  6. Step 6: Final answer
    x = 111,474,730.39

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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.