Home / 199,120,829.60-298,723,234.80-84,046,138.40

Finding the Fourth Proportional to 199,120,829.60, 298,723,234.80 and 84,046,138.40

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Solution

The fourth proportional to 199,120,829.60, 298,723,234.80 and 84,046,138.40 is: 126,086,931.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,120,829.60 : 298,723,234.80 = 84,046,138.40 : x
  2. Step 2: Convert to fraction form
    199,120,829.60/298,723,234.80 = 84,046,138.40/x
  3. Step 3: Cross multiply
    199,120,829.60x = 298,723,234.80 × 84,046,138.40
  4. Step 4: Simplify right side
    199,120,829.60x = 25,106,534,335,296,500
  5. Step 5: Solve for x
    x = 25,106,534,335,296,500/199,120,829.60
  6. Step 6: Final answer
    x = 126,086,931.17

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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.