Home / 128,040,439.98-192,060,798.48-59,930,961.42

Finding the Fourth Proportional to 128,040,439.98, 192,060,798.48 and 59,930,961.42

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Solution

The fourth proportional to 128,040,439.98, 192,060,798.48 and 59,930,961.42 is: 89,896,506.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,040,439.98 : 192,060,798.48 = 59,930,961.42 : x
  2. Step 2: Convert to fraction form
    128,040,439.98/192,060,798.48 = 59,930,961.42/x
  3. Step 3: Cross multiply
    128,040,439.98x = 192,060,798.48 × 59,930,961.42
  4. Step 4: Simplify right side
    128,040,439.98x = 11,510,388,303,999,274
  5. Step 5: Solve for x
    x = 11,510,388,303,999,274/128,040,439.98
  6. Step 6: Final answer
    x = 89,896,506.96

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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.