Home / 154,560,090.80-231,840,136.20-116,012,903.60

Finding the Fourth Proportional to 154,560,090.80, 231,840,136.20 and 116,012,903.60

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Solution

The fourth proportional to 154,560,090.80, 231,840,136.20 and 116,012,903.60 is: 174,019,355.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,560,090.80 : 231,840,136.20 = 116,012,903.60 : x
  2. Step 2: Convert to fraction form
    154,560,090.80/231,840,136.20 = 116,012,903.60/x
  3. Step 3: Cross multiply
    154,560,090.80x = 231,840,136.20 × 116,012,903.60
  4. Step 4: Simplify right side
    154,560,090.80x = 26,896,447,371,581,468
  5. Step 5: Solve for x
    x = 26,896,447,371,581,468/154,560,090.80
  6. Step 6: Final answer
    x = 174,019,355.40

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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.