Home / 242,286,908.70-363,430,363.05-218,100,438.30

Finding the Fourth Proportional to 242,286,908.70, 363,430,363.05 and 218,100,438.30

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Solution

The fourth proportional to 242,286,908.70, 363,430,363.05 and 218,100,438.30 is: 327,150,657.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,286,908.70 : 363,430,363.05 = 218,100,438.30 : x
  2. Step 2: Convert to fraction form
    242,286,908.70/363,430,363.05 = 218,100,438.30/x
  3. Step 3: Cross multiply
    242,286,908.70x = 363,430,363.05 × 218,100,438.30
  4. Step 4: Simplify right side
    242,286,908.70x = 79,264,321,472,733,136
  5. Step 5: Solve for x
    x = 79,264,321,472,733,136/242,286,908.70
  6. Step 6: Final answer
    x = 327,150,657.45

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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.