Home / 218,227,571.60-327,388,596.60-64,889,128.40

Finding the Fourth Proportional to 218,227,571.60, 327,388,596.60 and 64,889,128.40

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Solution

The fourth proportional to 218,227,571.60, 327,388,596.60 and 64,889,128.40 is: 97,347,738.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,227,571.60 : 327,388,596.60 = 64,889,128.40 : x
  2. Step 2: Convert to fraction form
    218,227,571.60/327,388,596.60 = 64,889,128.40/x
  3. Step 3: Cross multiply
    218,227,571.60x = 327,388,596.60 × 64,889,128.40
  4. Step 4: Simplify right side
    218,227,571.60x = 21,243,960,681,473,204
  5. Step 5: Solve for x
    x = 21,243,960,681,473,204/218,227,571.60
  6. Step 6: Final answer
    x = 97,347,738.99

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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.