Home / 540,142,491.94-810,213,747.63-131,195,886.82

Finding the Fourth Proportional to 540,142,491.94, 810,213,747.63 and 131,195,886.82

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Solution

The fourth proportional to 540,142,491.94, 810,213,747.63 and 131,195,886.82 is: 196,793,832.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,142,491.94 : 810,213,747.63 = 131,195,886.82 : x
  2. Step 2: Convert to fraction form
    540,142,491.94/810,213,747.63 = 131,195,886.82/x
  3. Step 3: Cross multiply
    540,142,491.94x = 810,213,747.63 × 131,195,886.82
  4. Step 4: Simplify right side
    540,142,491.94x = 106,296,711,134,073,520
  5. Step 5: Solve for x
    x = 106,296,711,134,073,520/540,142,491.94
  6. Step 6: Final answer
    x = 196,793,832.59

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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.