Home / 210,060,458.46-289,536,486.12-140,420,429.82

Finding the Fourth Proportional to 210,060,458.46, 289,536,486.12 and 140,420,429.82

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Solution

The fourth proportional to 210,060,458.46, 289,536,486.12 and 140,420,429.82 is: 193,548,267.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,060,458.46 : 289,536,486.12 = 140,420,429.82 : x
  2. Step 2: Convert to fraction form
    210,060,458.46/289,536,486.12 = 140,420,429.82/x
  3. Step 3: Cross multiply
    210,060,458.46x = 289,536,486.12 × 140,420,429.82
  4. Step 4: Simplify right side
    210,060,458.46x = 40,656,837,829,542,864
  5. Step 5: Solve for x
    x = 40,656,837,829,542,864/210,060,458.46
  6. Step 6: Final answer
    x = 193,548,267.62

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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.