Home / 66,144,378.80-91,280,304.36-36,376,203.44

Finding the Fourth Proportional to 66,144,378.80, 91,280,304.36 and 36,376,203.44

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Solution

The fourth proportional to 66,144,378.80, 91,280,304.36 and 36,376,203.44 is: 50,199,744.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,144,378.80 : 91,280,304.36 = 36,376,203.44 : x
  2. Step 2: Convert to fraction form
    66,144,378.80/91,280,304.36 = 36,376,203.44/x
  3. Step 3: Cross multiply
    66,144,378.80x = 91,280,304.36 × 36,376,203.44
  4. Step 4: Simplify right side
    66,144,378.80x = 3,320,430,921,464,479
  5. Step 5: Solve for x
    x = 3,320,430,921,464,479/66,144,378.80
  6. Step 6: Final answer
    x = 50,199,744.58

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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.