Home / 311,265,630.90-429,546,206.64-170,137,778.16

Finding the Fourth Proportional to 311,265,630.90, 429,546,206.64 and 170,137,778.16

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Solution

The fourth proportional to 311,265,630.90, 429,546,206.64 and 170,137,778.16 is: 234,789,934.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,265,630.90 : 429,546,206.64 = 170,137,778.16 : x
  2. Step 2: Convert to fraction form
    311,265,630.90/429,546,206.64 = 170,137,778.16/x
  3. Step 3: Cross multiply
    311,265,630.90x = 429,546,206.64 × 170,137,778.16
  4. Step 4: Simplify right side
    311,265,630.90x = 73,082,037,214,785,840
  5. Step 5: Solve for x
    x = 73,082,037,214,785,840/311,265,630.90
  6. Step 6: Final answer
    x = 234,789,934.90

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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.