Home / 266,632,419.84-399,511,880.06-142,002,727.39

Finding the Fourth Proportional to 266,632,419.84, 399,511,880.06 and 142,002,727.39

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Solution

The fourth proportional to 266,632,419.84, 399,511,880.06 and 142,002,727.39 is: 212,771,487.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,632,419.84 : 399,511,880.06 = 142,002,727.39 : x
  2. Step 2: Convert to fraction form
    266,632,419.84/399,511,880.06 = 142,002,727.39/x
  3. Step 3: Cross multiply
    266,632,419.84x = 399,511,880.06 × 142,002,727.39
  4. Step 4: Simplify right side
    266,632,419.84x = 56,731,776,593,416,392
  5. Step 5: Solve for x
    x = 56,731,776,593,416,392/266,632,419.84
  6. Step 6: Final answer
    x = 212,771,487.53

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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.