Home / 64,786,076.88-89,405,848.68-38,682,875.76

Finding the Fourth Proportional to 64,786,076.88, 89,405,848.68 and 38,682,875.76

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Solution

The fourth proportional to 64,786,076.88, 89,405,848.68 and 38,682,875.76 is: 53,383,003.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,786,076.88 : 89,405,848.68 = 38,682,875.76 : x
  2. Step 2: Convert to fraction form
    64,786,076.88/89,405,848.68 = 38,682,875.76/x
  3. Step 3: Cross multiply
    64,786,076.88x = 89,405,848.68 × 38,682,875.76
  4. Step 4: Simplify right side
    64,786,076.88x = 3,458,475,336,705,800
  5. Step 5: Solve for x
    x = 3,458,475,336,705,800/64,786,076.88
  6. Step 6: Final answer
    x = 53,383,003.00

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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.