Home / 307,219,374.40-461,359,903.20-163,892,142.40

Finding the Fourth Proportional to 307,219,374.40, 461,359,903.20 and 163,892,142.40

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Solution

The fourth proportional to 307,219,374.40, 461,359,903.20 and 163,892,142.40 is: 246,121,401.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,219,374.40 : 461,359,903.20 = 163,892,142.40 : x
  2. Step 2: Convert to fraction form
    307,219,374.40/461,359,903.20 = 163,892,142.40/x
  3. Step 3: Cross multiply
    307,219,374.40x = 461,359,903.20 × 163,892,142.40
  4. Step 4: Simplify right side
    307,219,374.40x = 75,613,262,952,904,624
  5. Step 5: Solve for x
    x = 75,613,262,952,904,624/307,219,374.40
  6. Step 6: Final answer
    x = 246,121,401.36

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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.