Home / 199,295,892.60-298,943,838.90-171,554,672.40

Finding the Fourth Proportional to 199,295,892.60, 298,943,838.90 and 171,554,672.40

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Solution

The fourth proportional to 199,295,892.60, 298,943,838.90 and 171,554,672.40 is: 257,332,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,295,892.60 : 298,943,838.90 = 171,554,672.40 : x
  2. Step 2: Convert to fraction form
    199,295,892.60/298,943,838.90 = 171,554,672.40/x
  3. Step 3: Cross multiply
    199,295,892.60x = 298,943,838.90 × 171,554,672.40
  4. Step 4: Simplify right side
    199,295,892.60x = 51,285,212,348,487,872
  5. Step 5: Solve for x
    x = 51,285,212,348,487,872/199,295,892.60
  6. Step 6: Final answer
    x = 257,332,008.60

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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.