Home / 331,445,319.20-497,187,907.29-101,416,396.76

Finding the Fourth Proportional to 331,445,319.20, 497,187,907.29 and 101,416,396.76

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Solution

The fourth proportional to 331,445,319.20, 497,187,907.29 and 101,416,396.76 is: 152,130,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,445,319.20 : 497,187,907.29 = 101,416,396.76 : x
  2. Step 2: Convert to fraction form
    331,445,319.20/497,187,907.29 = 101,416,396.76/x
  3. Step 3: Cross multiply
    331,445,319.20x = 497,187,907.29 × 101,416,396.76
  4. Step 4: Simplify right side
    331,445,319.20x = 50,423,006,067,510,800
  5. Step 5: Solve for x
    x = 50,423,006,067,510,800/331,445,319.20
  6. Step 6: Final answer
    x = 152,130,692.90

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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.