Home / 168,499,859.40-252,749,789.10-47,331,311.40

Finding the Fourth Proportional to 168,499,859.40, 252,749,789.10 and 47,331,311.40

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Solution

The fourth proportional to 168,499,859.40, 252,749,789.10 and 47,331,311.40 is: 70,996,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,499,859.40 : 252,749,789.10 = 47,331,311.40 : x
  2. Step 2: Convert to fraction form
    168,499,859.40/252,749,789.10 = 47,331,311.40/x
  3. Step 3: Cross multiply
    168,499,859.40x = 252,749,789.10 × 47,331,311.40
  4. Step 4: Simplify right side
    168,499,859.40x = 11,962,978,974,176,426
  5. Step 5: Solve for x
    x = 11,962,978,974,176,426/168,499,859.40
  6. Step 6: Final answer
    x = 70,996,967.10

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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.