Home / 126,086,248.58-189,398,198.10-118,714,497.72

Finding the Fourth Proportional to 126,086,248.58, 189,398,198.10 and 118,714,497.72

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Solution

The fourth proportional to 126,086,248.58, 189,398,198.10 and 118,714,497.72 is: 178,324,854.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,086,248.58 : 189,398,198.10 = 118,714,497.72 : x
  2. Step 2: Convert to fraction form
    126,086,248.58/189,398,198.10 = 118,714,497.72/x
  3. Step 3: Cross multiply
    126,086,248.58x = 189,398,198.10 × 118,714,497.72
  4. Step 4: Simplify right side
    126,086,248.58x = 22,484,311,956,514,556
  5. Step 5: Solve for x
    x = 22,484,311,956,514,556/126,086,248.58
  6. Step 6: Final answer
    x = 178,324,854.69

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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.