Home / 257,860,808.70-385,940,907.45-181,333,304.70

Finding the Fourth Proportional to 257,860,808.70, 385,940,907.45 and 181,333,304.70

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Solution

The fourth proportional to 257,860,808.70, 385,940,907.45 and 181,333,304.70 is: 271,402,003.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,860,808.70 : 385,940,907.45 = 181,333,304.70 : x
  2. Step 2: Convert to fraction form
    257,860,808.70/385,940,907.45 = 181,333,304.70/x
  3. Step 3: Cross multiply
    257,860,808.70x = 385,940,907.45 × 181,333,304.70
  4. Step 4: Simplify right side
    257,860,808.70x = 69,983,940,166,825,344
  5. Step 5: Solve for x
    x = 69,983,940,166,825,344/257,860,808.70
  6. Step 6: Final answer
    x = 271,402,003.74

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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.