Home / 45,510,105.40-68,274,015.45-13,163,063.20

Finding the Fourth Proportional to 45,510,105.40, 68,274,015.45 and 13,163,063.20

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Solution

The fourth proportional to 45,510,105.40, 68,274,015.45 and 13,163,063.20 is: 19,747,156.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,510,105.40 : 68,274,015.45 = 13,163,063.20 : x
  2. Step 2: Convert to fraction form
    45,510,105.40/68,274,015.45 = 13,163,063.20/x
  3. Step 3: Cross multiply
    45,510,105.40x = 68,274,015.45 × 13,163,063.20
  4. Step 4: Simplify right side
    45,510,105.40x = 898,695,180,286,126.38
  5. Step 5: Solve for x
    x = 898,695,180,286,126.38/45,510,105.40
  6. Step 6: Final answer
    x = 19,747,156.65

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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.