Home / 199,227,364.32-298,931,847.84-102,251,172.72

Finding the Fourth Proportional to 199,227,364.32, 298,931,847.84 and 102,251,172.72

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Solution

The fourth proportional to 199,227,364.32, 298,931,847.84 and 102,251,172.72 is: 153,423,361.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,227,364.32 : 298,931,847.84 = 102,251,172.72 : x
  2. Step 2: Convert to fraction form
    199,227,364.32/298,931,847.84 = 102,251,172.72/x
  3. Step 3: Cross multiply
    199,227,364.32x = 298,931,847.84 × 102,251,172.72
  4. Step 4: Simplify right side
    199,227,364.32x = 30,566,132,004,996,596
  5. Step 5: Solve for x
    x = 30,566,132,004,996,596/199,227,364.32
  6. Step 6: Final answer
    x = 153,423,361.84

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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.