Home / 75,042,064.32-103,622,678.70-47,211,163.44

Finding the Fourth Proportional to 75,042,064.32, 103,622,678.70 and 47,211,163.44

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Solution

The fourth proportional to 75,042,064.32, 103,622,678.70 and 47,211,163.44 is: 65,192,066.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,042,064.32 : 103,622,678.70 = 47,211,163.44 : x
  2. Step 2: Convert to fraction form
    75,042,064.32/103,622,678.70 = 47,211,163.44/x
  3. Step 3: Cross multiply
    75,042,064.32x = 103,622,678.70 × 47,211,163.44
  4. Step 4: Simplify right side
    75,042,064.32x = 4,892,147,220,196,307
  5. Step 5: Solve for x
    x = 4,892,147,220,196,307/75,042,064.32
  6. Step 6: Final answer
    x = 65,192,066.14

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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.