Home / 131,143,126.68-196,701,209.73-43,695,198.63

Finding the Fourth Proportional to 131,143,126.68, 196,701,209.73 and 43,695,198.63

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Solution

The fourth proportional to 131,143,126.68, 196,701,209.73 and 43,695,198.63 is: 65,538,306.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,143,126.68 : 196,701,209.73 = 43,695,198.63 : x
  2. Step 2: Convert to fraction form
    131,143,126.68/196,701,209.73 = 43,695,198.63/x
  3. Step 3: Cross multiply
    131,143,126.68x = 196,701,209.73 × 43,695,198.63
  4. Step 4: Simplify right side
    131,143,126.68x = 8,594,898,429,913,639
  5. Step 5: Solve for x
    x = 8,594,898,429,913,639/131,143,126.68
  6. Step 6: Final answer
    x = 65,538,306.49

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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.