Home / 307,219,375.40-461,359,904.70-163,892,143.40

Finding the Fourth Proportional to 307,219,375.40, 461,359,904.70 and 163,892,143.40

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Solution

The fourth proportional to 307,219,375.40, 461,359,904.70 and 163,892,143.40 is: 246,121,402.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,219,375.40 : 461,359,904.70 = 163,892,143.40 : x
  2. Step 2: Convert to fraction form
    307,219,375.40/461,359,904.70 = 163,892,143.40/x
  3. Step 3: Cross multiply
    307,219,375.40x = 461,359,904.70 × 163,892,143.40
  4. Step 4: Simplify right side
    307,219,375.40x = 75,613,263,660,102,736
  5. Step 5: Solve for x
    x = 75,613,263,660,102,736/307,219,375.40
  6. Step 6: Final answer
    x = 246,121,402.86

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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.