Home / 294,209,810.12-406,009,518.72-170,522,231.78

Finding the Fourth Proportional to 294,209,810.12, 406,009,518.72 and 170,522,231.78

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Solution

The fourth proportional to 294,209,810.12, 406,009,518.72 and 170,522,231.78 is: 235,320,668.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,209,810.12 : 406,009,518.72 = 170,522,231.78 : x
  2. Step 2: Convert to fraction form
    294,209,810.12/406,009,518.72 = 170,522,231.78/x
  3. Step 3: Cross multiply
    294,209,810.12x = 406,009,518.72 × 170,522,231.78
  4. Step 4: Simplify right side
    294,209,810.12x = 69,233,649,256,058,096
  5. Step 5: Solve for x
    x = 69,233,649,256,058,096/294,209,810.12
  6. Step 6: Final answer
    x = 235,320,668.70

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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.