Home / 218,227,085.60-327,340,628.40-56,669,021.60

Finding the Fourth Proportional to 218,227,085.60, 327,340,628.40 and 56,669,021.60

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Solution

The fourth proportional to 218,227,085.60, 327,340,628.40 and 56,669,021.60 is: 85,003,532.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,227,085.60 : 327,340,628.40 = 56,669,021.60 : x
  2. Step 2: Convert to fraction form
    218,227,085.60/327,340,628.40 = 56,669,021.60/x
  3. Step 3: Cross multiply
    218,227,085.60x = 327,340,628.40 × 56,669,021.60
  4. Step 4: Simplify right side
    218,227,085.60x = 18,550,073,141,357,172
  5. Step 5: Solve for x
    x = 18,550,073,141,357,172/218,227,085.60
  6. Step 6: Final answer
    x = 85,003,532.40

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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.