Home / 127,939,674.15-191,909,511.23-104,981,422.95

Finding the Fourth Proportional to 127,939,674.15, 191,909,511.23 and 104,981,422.95

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Solution

The fourth proportional to 127,939,674.15, 191,909,511.23 and 104,981,422.95 is: 157,472,134.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,939,674.15 : 191,909,511.23 = 104,981,422.95 : x
  2. Step 2: Convert to fraction form
    127,939,674.15/191,909,511.23 = 104,981,422.95/x
  3. Step 3: Cross multiply
    127,939,674.15x = 191,909,511.23 × 104,981,422.95
  4. Step 4: Simplify right side
    127,939,674.15x = 20,146,933,566,039,496
  5. Step 5: Solve for x
    x = 20,146,933,566,039,496/127,939,674.15
  6. Step 6: Final answer
    x = 157,472,134.43

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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.