Home / 251,253,905.44-346,994,729.40-223,865,142.16

Finding the Fourth Proportional to 251,253,905.44, 346,994,729.40 and 223,865,142.16

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Solution

The fourth proportional to 251,253,905.44, 346,994,729.40 and 223,865,142.16 is: 309,169,420.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,253,905.44 : 346,994,729.40 = 223,865,142.16 : x
  2. Step 2: Convert to fraction form
    251,253,905.44/346,994,729.40 = 223,865,142.16/x
  3. Step 3: Cross multiply
    251,253,905.44x = 346,994,729.40 × 223,865,142.16
  4. Step 4: Simplify right side
    251,253,905.44x = 77,680,024,425,901,728
  5. Step 5: Solve for x
    x = 77,680,024,425,901,728/251,253,905.44
  6. Step 6: Final answer
    x = 309,169,420.83

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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.