Home / 199,227,378.82-298,931,869.60-102,251,187.22

Finding the Fourth Proportional to 199,227,378.82, 298,931,869.60 and 102,251,187.22

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Solution

The fourth proportional to 199,227,378.82, 298,931,869.60 and 102,251,187.22 is: 153,423,383.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,227,378.82 : 298,931,869.60 = 102,251,187.22 : x
  2. Step 2: Convert to fraction form
    199,227,378.82/298,931,869.60 = 102,251,187.22/x
  3. Step 3: Cross multiply
    199,227,378.82x = 298,931,869.60 × 102,251,187.22
  4. Step 4: Simplify right side
    199,227,378.82x = 30,566,138,564,494,228
  5. Step 5: Solve for x
    x = 30,566,138,564,494,228/199,227,378.82
  6. Step 6: Final answer
    x = 153,423,383.60

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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.