Home / 199,331,498.40-298,997,247.60-172,068,575.10

Finding the Fourth Proportional to 199,331,498.40, 298,997,247.60 and 172,068,575.10

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Solution

The fourth proportional to 199,331,498.40, 298,997,247.60 and 172,068,575.10 is: 258,102,862.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,331,498.40 : 298,997,247.60 = 172,068,575.10 : x
  2. Step 2: Convert to fraction form
    199,331,498.40/298,997,247.60 = 172,068,575.10/x
  3. Step 3: Cross multiply
    199,331,498.40x = 298,997,247.60 × 172,068,575.10
  4. Step 4: Simplify right side
    199,331,498.40x = 51,448,030,353,353,896
  5. Step 5: Solve for x
    x = 51,448,030,353,353,896/199,331,498.40
  6. Step 6: Final answer
    x = 258,102,862.65

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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.