Home / 281,234,575.16-388,103,578.74-168,204,065.03

Finding the Fourth Proportional to 281,234,575.16, 388,103,578.74 and 168,204,065.03

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Solution

The fourth proportional to 281,234,575.16, 388,103,578.74 and 168,204,065.03 is: 232,121,529.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,234,575.16 : 388,103,578.74 = 168,204,065.03 : x
  2. Step 2: Convert to fraction form
    281,234,575.16/388,103,578.74 = 168,204,065.03/x
  3. Step 3: Cross multiply
    281,234,575.16x = 388,103,578.74 × 168,204,065.03
  4. Step 4: Simplify right side
    281,234,575.16x = 65,280,599,597,583,304
  5. Step 5: Solve for x
    x = 65,280,599,597,583,304/281,234,575.16
  6. Step 6: Final answer
    x = 232,121,529.01

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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.