Home / 271,188,008.40-406,782,012.60-89,425,563.60

Finding the Fourth Proportional to 271,188,008.40, 406,782,012.60 and 89,425,563.60

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Solution

The fourth proportional to 271,188,008.40, 406,782,012.60 and 89,425,563.60 is: 134,138,345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,188,008.40 : 406,782,012.60 = 89,425,563.60 : x
  2. Step 2: Convert to fraction form
    271,188,008.40/406,782,012.60 = 89,425,563.60/x
  3. Step 3: Cross multiply
    271,188,008.40x = 406,782,012.60 × 89,425,563.60
  4. Step 4: Simplify right side
    271,188,008.40x = 36,376,710,739,097,304
  5. Step 5: Solve for x
    x = 36,376,710,739,097,304/271,188,008.40
  6. Step 6: Final answer
    x = 134,138,345.40

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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.