Home / 311,265,628.90-429,546,203.88-170,137,776.16

Finding the Fourth Proportional to 311,265,628.90, 429,546,203.88 and 170,137,776.16

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Solution

The fourth proportional to 311,265,628.90, 429,546,203.88 and 170,137,776.16 is: 234,789,932.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,265,628.90 : 429,546,203.88 = 170,137,776.16 : x
  2. Step 2: Convert to fraction form
    311,265,628.90/429,546,203.88 = 170,137,776.16/x
  3. Step 3: Cross multiply
    311,265,628.90x = 429,546,203.88 × 170,137,776.16
  4. Step 4: Simplify right side
    311,265,628.90x = 73,082,035,886,113,168
  5. Step 5: Solve for x
    x = 73,082,035,886,113,168/311,265,628.90
  6. Step 6: Final answer
    x = 234,789,932.14

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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.