Home / 75,042,065.82-103,622,680.77-47,211,164.94

Finding the Fourth Proportional to 75,042,065.82, 103,622,680.77 and 47,211,164.94

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Solution

The fourth proportional to 75,042,065.82, 103,622,680.77 and 47,211,164.94 is: 65,192,068.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,042,065.82 : 103,622,680.77 = 47,211,164.94 : x
  2. Step 2: Convert to fraction form
    75,042,065.82/103,622,680.77 = 47,211,164.94/x
  3. Step 3: Cross multiply
    75,042,065.82x = 103,622,680.77 × 47,211,164.94
  4. Step 4: Simplify right side
    75,042,065.82x = 4,892,147,473,357,436
  5. Step 5: Solve for x
    x = 4,892,147,473,357,436/75,042,065.82
  6. Step 6: Final answer
    x = 65,192,068.21

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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.