Home / 309,187,729.83-426,884,527.54-237,532,991.30

Finding the Fourth Proportional to 309,187,729.83, 426,884,527.54 and 237,532,991.30

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Solution

The fourth proportional to 309,187,729.83, 426,884,527.54 and 237,532,991.30 is: 327,953,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,187,729.83 : 426,884,527.54 = 237,532,991.30 : x
  2. Step 2: Convert to fraction form
    309,187,729.83/426,884,527.54 = 237,532,991.30/x
  3. Step 3: Cross multiply
    309,187,729.83x = 426,884,527.54 × 237,532,991.30
  4. Step 4: Simplify right side
    309,187,729.83x = 101,399,158,762,941,344
  5. Step 5: Solve for x
    x = 101,399,158,762,941,344/309,187,729.83
  6. Step 6: Final answer
    x = 327,953,372.60

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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.