Home / 76,906,586.88-106,128,429.66-43,877,528.73

Finding the Fourth Proportional to 76,906,586.88, 106,128,429.66 and 43,877,528.73

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Solution

The fourth proportional to 76,906,586.88, 106,128,429.66 and 43,877,528.73 is: 60,549,471.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,906,586.88 : 106,128,429.66 = 43,877,528.73 : x
  2. Step 2: Convert to fraction form
    76,906,586.88/106,128,429.66 = 43,877,528.73/x
  3. Step 3: Cross multiply
    76,906,586.88x = 106,128,429.66 × 43,877,528.73
  4. Step 4: Simplify right side
    76,906,586.88x = 4,656,653,221,476,434
  5. Step 5: Solve for x
    x = 4,656,653,221,476,434/76,906,586.88
  6. Step 6: Final answer
    x = 60,549,471.90

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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.