Home / 311,128,777.03-429,344,934.81-170,004,841.69

Finding the Fourth Proportional to 311,128,777.03, 429,344,934.81 and 170,004,841.69

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Solution

The fourth proportional to 311,128,777.03, 429,344,934.81 and 170,004,841.69 is: 234,599,699.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,128,777.03 : 429,344,934.81 = 170,004,841.69 : x
  2. Step 2: Convert to fraction form
    311,128,777.03/429,344,934.81 = 170,004,841.69/x
  3. Step 3: Cross multiply
    311,128,777.03x = 429,344,934.81 × 170,004,841.69
  4. Step 4: Simplify right side
    311,128,777.03x = 72,990,717,672,777,424
  5. Step 5: Solve for x
    x = 72,990,717,672,777,424/311,128,777.03
  6. Step 6: Final answer
    x = 234,599,699.74

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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.