Home / 363,841,031.40-545,785,166.70-191,654,147.40

Finding the Fourth Proportional to 363,841,031.40, 545,785,166.70 and 191,654,147.40

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Solution

The fourth proportional to 363,841,031.40, 545,785,166.70 and 191,654,147.40 is: 287,493,662.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,841,031.40 : 545,785,166.70 = 191,654,147.40 : x
  2. Step 2: Convert to fraction form
    363,841,031.40/545,785,166.70 = 191,654,147.40/x
  3. Step 3: Cross multiply
    363,841,031.40x = 545,785,166.70 × 191,654,147.40
  4. Step 4: Simplify right side
    363,841,031.40x = 104,601,990,787,455,376
  5. Step 5: Solve for x
    x = 104,601,990,787,455,376/363,841,031.40
  6. Step 6: Final answer
    x = 287,493,662.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.