Home / 307,219,230.40-461,359,687.20-163,891,998.40

Finding the Fourth Proportional to 307,219,230.40, 461,359,687.20 and 163,891,998.40

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Solution

The fourth proportional to 307,219,230.40, 461,359,687.20 and 163,891,998.40 is: 246,121,185.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,219,230.40 : 461,359,687.20 = 163,891,998.40 : x
  2. Step 2: Convert to fraction form
    307,219,230.40/461,359,687.20 = 163,891,998.40/x
  3. Step 3: Cross multiply
    307,219,230.40x = 461,359,687.20 × 163,891,998.40
  4. Step 4: Simplify right side
    307,219,230.40x = 75,613,161,116,406,896
  5. Step 5: Solve for x
    x = 75,613,161,116,406,896/307,219,230.40
  6. Step 6: Final answer
    x = 246,121,185.25

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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.