Home / 81,368,748.05-112,290,897.17-44,199,016.67

Finding the Fourth Proportional to 81,368,748.05, 112,290,897.17 and 44,199,016.67

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Solution

The fourth proportional to 81,368,748.05, 112,290,897.17 and 44,199,016.67 is: 60,995,742.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,368,748.05 : 112,290,897.17 = 44,199,016.67 : x
  2. Step 2: Convert to fraction form
    81,368,748.05/112,290,897.17 = 44,199,016.67/x
  3. Step 3: Cross multiply
    81,368,748.05x = 112,290,897.17 × 44,199,016.67
  4. Step 4: Simplify right side
    81,368,748.05x = 4,963,147,236,297,311
  5. Step 5: Solve for x
    x = 4,963,147,236,297,311/81,368,748.05
  6. Step 6: Final answer
    x = 60,995,742.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.