Home / 199,227,379.82-298,931,871.10-102,251,188.22

Finding the Fourth Proportional to 199,227,379.82, 298,931,871.10 and 102,251,188.22

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Solution

The fourth proportional to 199,227,379.82, 298,931,871.10 and 102,251,188.22 is: 153,423,385.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,227,379.82 : 298,931,871.10 = 102,251,188.22 : x
  2. Step 2: Convert to fraction form
    199,227,379.82/298,931,871.10 = 102,251,188.22/x
  3. Step 3: Cross multiply
    199,227,379.82x = 298,931,871.10 × 102,251,188.22
  4. Step 4: Simplify right side
    199,227,379.82x = 30,566,139,016,802,880
  5. Step 5: Solve for x
    x = 30,566,139,016,802,880/199,227,379.82
  6. Step 6: Final answer
    x = 153,423,385.10

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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.