Home / 66,694,918.49-92,048,653.75-38,431,792.82

Finding the Fourth Proportional to 66,694,918.49, 92,048,653.75 and 38,431,792.82

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Solution

The fourth proportional to 66,694,918.49, 92,048,653.75 and 38,431,792.82 is: 53,041,444.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,694,918.49 : 92,048,653.75 = 38,431,792.82 : x
  2. Step 2: Convert to fraction form
    66,694,918.49/92,048,653.75 = 38,431,792.82/x
  3. Step 3: Cross multiply
    66,694,918.49x = 92,048,653.75 × 38,431,792.82
  4. Step 4: Simplify right side
    66,694,918.49x = 3,537,594,790,279,916
  5. Step 5: Solve for x
    x = 3,537,594,790,279,916/66,694,918.49
  6. Step 6: Final answer
    x = 53,041,444.09

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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.