Home / 225,635,973.57-311,263,047-147,365,343.09

Finding the Fourth Proportional to 225,635,973.57, 311,263,047 and 147,365,343.09

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Solution

The fourth proportional to 225,635,973.57, 311,263,047 and 147,365,343.09 is: 203,289,329.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,635,973.57 : 311,263,047 = 147,365,343.09 : x
  2. Step 2: Convert to fraction form
    225,635,973.57/311,263,047 = 147,365,343.09/x
  3. Step 3: Cross multiply
    225,635,973.57x = 311,263,047 × 147,365,343.09
  4. Step 4: Simplify right side
    225,635,973.57x = 45,869,385,712,393,800
  5. Step 5: Solve for x
    x = 45,869,385,712,393,800/225,635,973.57
  6. Step 6: Final answer
    x = 203,289,329.21

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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.