Home / 207,247,262.20-310,870,893.30-63,621,431.80

Finding the Fourth Proportional to 207,247,262.20, 310,870,893.30 and 63,621,431.80

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Solution

The fourth proportional to 207,247,262.20, 310,870,893.30 and 63,621,431.80 is: 95,432,147.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,247,262.20 : 310,870,893.30 = 63,621,431.80 : x
  2. Step 2: Convert to fraction form
    207,247,262.20/310,870,893.30 = 63,621,431.80/x
  3. Step 3: Cross multiply
    207,247,262.20x = 310,870,893.30 × 63,621,431.80
  4. Step 4: Simplify right side
    207,247,262.20x = 19,778,051,336,691,028
  5. Step 5: Solve for x
    x = 19,778,051,336,691,028/207,247,262.20
  6. Step 6: Final answer
    x = 95,432,147.70

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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.