Home / 131,328,021.20-196,992,031.80-59,664,405.20

Finding the Fourth Proportional to 131,328,021.20, 196,992,031.80 and 59,664,405.20

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Solution

The fourth proportional to 131,328,021.20, 196,992,031.80 and 59,664,405.20 is: 89,496,607.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,328,021.20 : 196,992,031.80 = 59,664,405.20 : x
  2. Step 2: Convert to fraction form
    131,328,021.20/196,992,031.80 = 59,664,405.20/x
  3. Step 3: Cross multiply
    131,328,021.20x = 196,992,031.80 × 59,664,405.20
  4. Step 4: Simplify right side
    131,328,021.20x = 11,753,412,406,486,486
  5. Step 5: Solve for x
    x = 11,753,412,406,486,486/131,328,021.20
  6. Step 6: Final answer
    x = 89,496,607.80

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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.