Home / 145,550,967.26-200,863,131.51-79,474,084.44

Finding the Fourth Proportional to 145,550,967.26, 200,863,131.51 and 79,474,084.44

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Solution

The fourth proportional to 145,550,967.26, 200,863,131.51 and 79,474,084.44 is: 109,675,763.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,550,967.26 : 200,863,131.51 = 79,474,084.44 : x
  2. Step 2: Convert to fraction form
    145,550,967.26/200,863,131.51 = 79,474,084.44/x
  3. Step 3: Cross multiply
    145,550,967.26x = 200,863,131.51 × 79,474,084.44
  4. Step 4: Simplify right side
    145,550,967.26x = 15,963,413,474,053,354
  5. Step 5: Solve for x
    x = 15,963,413,474,053,354/145,550,967.26
  6. Step 6: Final answer
    x = 109,675,763.58

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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.