Home / 199,331,497.90-298,997,246.85-172,068,574.60

Finding the Fourth Proportional to 199,331,497.90, 298,997,246.85 and 172,068,574.60

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Solution

The fourth proportional to 199,331,497.90, 298,997,246.85 and 172,068,574.60 is: 258,102,861.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,331,497.90 : 298,997,246.85 = 172,068,574.60 : x
  2. Step 2: Convert to fraction form
    199,331,497.90/298,997,246.85 = 172,068,574.60/x
  3. Step 3: Cross multiply
    199,331,497.90x = 298,997,246.85 × 172,068,574.60
  4. Step 4: Simplify right side
    199,331,497.90x = 51,448,030,074,803,840
  5. Step 5: Solve for x
    x = 51,448,030,074,803,840/199,331,497.90
  6. Step 6: Final answer
    x = 258,102,861.90

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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.