Home / 252,730,892.70-378,340,511.85-150,442,278.30

Finding the Fourth Proportional to 252,730,892.70, 378,340,511.85 and 150,442,278.30

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Solution

The fourth proportional to 252,730,892.70, 378,340,511.85 and 150,442,278.30 is: 225,213,498.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,730,892.70 : 378,340,511.85 = 150,442,278.30 : x
  2. Step 2: Convert to fraction form
    252,730,892.70/378,340,511.85 = 150,442,278.30/x
  3. Step 3: Cross multiply
    252,730,892.70x = 378,340,511.85 × 150,442,278.30
  4. Step 4: Simplify right side
    252,730,892.70x = 56,918,408,575,902,152
  5. Step 5: Solve for x
    x = 56,918,408,575,902,152/252,730,892.70
  6. Step 6: Final answer
    x = 225,213,498.71

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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.