Home / 142,560,632.52-196,733,754.78-77,370,536.52

Finding the Fourth Proportional to 142,560,632.52, 196,733,754.78 and 77,370,536.52

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Solution

The fourth proportional to 142,560,632.52, 196,733,754.78 and 77,370,536.52 is: 106,771,384.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,560,632.52 : 196,733,754.78 = 77,370,536.52 : x
  2. Step 2: Convert to fraction form
    142,560,632.52/196,733,754.78 = 77,370,536.52/x
  3. Step 3: Cross multiply
    142,560,632.52x = 196,733,754.78 × 77,370,536.52
  4. Step 4: Simplify right side
    142,560,632.52x = 15,221,396,158,922,714
  5. Step 5: Solve for x
    x = 15,221,396,158,922,714/142,560,632.52
  6. Step 6: Final answer
    x = 106,771,384.85

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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.