Home / 286,370,668.86-429,380,205.85-111,289,274.41

Finding the Fourth Proportional to 286,370,668.86, 429,380,205.85 and 111,289,274.41

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Solution

The fourth proportional to 286,370,668.86, 429,380,205.85 and 111,289,274.41 is: 166,865,593.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,370,668.86 : 429,380,205.85 = 111,289,274.41 : x
  2. Step 2: Convert to fraction form
    286,370,668.86/429,380,205.85 = 111,289,274.41/x
  3. Step 3: Cross multiply
    286,370,668.86x = 429,380,205.85 × 111,289,274.41
  4. Step 4: Simplify right side
    286,370,668.86x = 47,785,411,554,309,272
  5. Step 5: Solve for x
    x = 47,785,411,554,309,272/286,370,668.86
  6. Step 6: Final answer
    x = 166,865,593.27

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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.