Home / 218,913,471.45-302,100,614.42-119,794,239.90

Finding the Fourth Proportional to 218,913,471.45, 302,100,614.42 and 119,794,239.90

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Solution

The fourth proportional to 218,913,471.45, 302,100,614.42 and 119,794,239.90 is: 165,316,064.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,913,471.45 : 302,100,614.42 = 119,794,239.90 : x
  2. Step 2: Convert to fraction form
    218,913,471.45/302,100,614.42 = 119,794,239.90/x
  3. Step 3: Cross multiply
    218,913,471.45x = 302,100,614.42 × 119,794,239.90
  4. Step 4: Simplify right side
    218,913,471.45x = 36,189,913,477,167,912
  5. Step 5: Solve for x
    x = 36,189,913,477,167,912/218,913,471.45
  6. Step 6: Final answer
    x = 165,316,064.09

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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.