Home / 68,870,910.69-95,048,569.90-51,436,988.69

Finding the Fourth Proportional to 68,870,910.69, 95,048,569.90 and 51,436,988.69

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Solution

The fourth proportional to 68,870,910.69, 95,048,569.90 and 51,436,988.69 is: 70,988,058.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,870,910.69 : 95,048,569.90 = 51,436,988.69 : x
  2. Step 2: Convert to fraction form
    68,870,910.69/95,048,569.90 = 51,436,988.69/x
  3. Step 3: Cross multiply
    68,870,910.69x = 95,048,569.90 × 51,436,988.69
  4. Step 4: Simplify right side
    68,870,910.69x = 4,889,012,214,536,028
  5. Step 5: Solve for x
    x = 4,889,012,214,536,028/68,870,910.69
  6. Step 6: Final answer
    x = 70,988,058.17

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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.