Home / 407,877,808.14-611,936,099.84-131,523,464.43

Finding the Fourth Proportional to 407,877,808.14, 611,936,099.84 and 131,523,464.43

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Solution

The fourth proportional to 407,877,808.14, 611,936,099.84 and 131,523,464.43 is: 197,323,694.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,877,808.14 : 611,936,099.84 = 131,523,464.43 : x
  2. Step 2: Convert to fraction form
    407,877,808.14/611,936,099.84 = 131,523,464.43/x
  3. Step 3: Cross multiply
    407,877,808.14x = 611,936,099.84 × 131,523,464.43
  4. Step 4: Simplify right side
    407,877,808.14x = 80,483,955,860,739,184
  5. Step 5: Solve for x
    x = 80,483,955,860,739,184/407,877,808.14
  6. Step 6: Final answer
    x = 197,323,694.14

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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.