Home / 199,300,620.90-298,950,931.35-177,777,260.40

Finding the Fourth Proportional to 199,300,620.90, 298,950,931.35 and 177,777,260.40

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Solution

The fourth proportional to 199,300,620.90, 298,950,931.35 and 177,777,260.40 is: 266,665,890.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,300,620.90 : 298,950,931.35 = 177,777,260.40 : x
  2. Step 2: Convert to fraction form
    199,300,620.90/298,950,931.35 = 177,777,260.40/x
  3. Step 3: Cross multiply
    199,300,620.90x = 298,950,931.35 × 177,777,260.40
  4. Step 4: Simplify right side
    199,300,620.90x = 53,146,677,569,431,480
  5. Step 5: Solve for x
    x = 53,146,677,569,431,480/199,300,620.90
  6. Step 6: Final answer
    x = 266,665,890.60

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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.