Home / 271,152,005.20-406,728,007.80-86,919,125.20

Finding the Fourth Proportional to 271,152,005.20, 406,728,007.80 and 86,919,125.20

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Solution

The fourth proportional to 271,152,005.20, 406,728,007.80 and 86,919,125.20 is: 130,378,687.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,152,005.20 : 406,728,007.80 = 86,919,125.20 : x
  2. Step 2: Convert to fraction form
    271,152,005.20/406,728,007.80 = 86,919,125.20/x
  3. Step 3: Cross multiply
    271,152,005.20x = 406,728,007.80 × 86,919,125.20
  4. Step 4: Simplify right side
    271,152,005.20x = 35,352,442,632,314,780
  5. Step 5: Solve for x
    x = 35,352,442,632,314,780/271,152,005.20
  6. Step 6: Final answer
    x = 130,378,687.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.